diff --git a/package.json b/package.json
index 31888d07ef..5c16ce117b 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "react-helmet": "^5.2.0",
     "rimraf": "^2.6.2",
     "ts-jest": "^25.3.1",
-    "tslib": "^1.9.3",
+    "tslib": "^1.14.1",
     "typescript": "^3.7.5"
   },
   "dependencies": {},
diff --git a/packages/address-consts/CHANGELOG.md b/packages/address-consts/CHANGELOG.md
index ad2165f675..e6e6b10455 100644
--- a/packages/address-consts/CHANGELOG.md
+++ b/packages/address-consts/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
+
 ## [2.1.0] - 2020-09-02
 
 - Add `optionalLabels` to `Country` interface. [#1610](https://github.com/Shopify/quilt/pull/1610)
diff --git a/packages/address-consts/package.json b/packages/address-consts/package.json
index 359d38d592..45cab61831 100644
--- a/packages/address-consts/package.json
+++ b/packages/address-consts/package.json
@@ -26,5 +26,8 @@
   "files": [
     "dist/*",
     "!tsconfig.tsbuildinfo"
-  ]
+  ],
+  "dependencies": {
+    "tslib": "^1.14.1"
+  }
 }
diff --git a/packages/address-mocks/CHANGELOG.md b/packages/address-mocks/CHANGELOG.md
index eb04330fd1..986d1caf1b 100644
--- a/packages/address-mocks/CHANGELOG.md
+++ b/packages/address-mocks/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
+
 ## [1.4.0] - 2020-09-02
 
 - Updated mocks for countries and country calls to include `optionalLabels`. [#1610](https://github.com/Shopify/quilt/pull/1610)
diff --git a/packages/address-mocks/package.json b/packages/address-mocks/package.json
index 574097bd16..52bb09f267 100644
--- a/packages/address-mocks/package.json
+++ b/packages/address-mocks/package.json
@@ -29,7 +29,7 @@
   "dependencies": {
     "@shopify/address-consts": "^2.1.0",
     "@shopify/jest-dom-mocks": "^2.9.2",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "files": [
     "dist/*",
diff --git a/packages/address/CHANGELOG.md b/packages/address/CHANGELOG.md
index e06231988b..6fe3b86c29 100644
--- a/packages/address/CHANGELOG.md
+++ b/packages/address/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
+
 ## [2.9.0] - 2020-09-02
 
 - Added `optionalLabels` to GraphQL query for countries and for country [(#1610)](https://github.com/Shopify/quilt/pull/1610)
diff --git a/packages/address/package.json b/packages/address/package.json
index 61e8107252..ae4ad31915 100644
--- a/packages/address/package.json
+++ b/packages/address/package.json
@@ -29,7 +29,7 @@
   "sideEffects": false,
   "dependencies": {
     "@shopify/address-consts": "^2.1.0",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "files": [
     "dist/*",
diff --git a/packages/admin-graphql-api-utilities/CHANGELOG.md b/packages/admin-graphql-api-utilities/CHANGELOG.md
index a37cd58b89..f4f0ea157c 100644
--- a/packages/admin-graphql-api-utilities/CHANGELOG.md
+++ b/packages/admin-graphql-api-utilities/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [0.1.0] - 2020-07-28
 
diff --git a/packages/admin-graphql-api-utilities/package.json b/packages/admin-graphql-api-utilities/package.json
index 7c2d3310d4..c8d8cba785 100644
--- a/packages/admin-graphql-api-utilities/package.json
+++ b/packages/admin-graphql-api-utilities/package.json
@@ -24,7 +24,7 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/admin-graphql-api-utilities/README.md",
   "sideEffects": false,
   "dependencies": {
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "files": [
     "dist/*",
diff --git a/packages/ast-utilities/CHANGELOG.md b/packages/ast-utilities/CHANGELOG.md
index 399c6733d5..22d99bf56b 100644
--- a/packages/ast-utilities/CHANGELOG.md
+++ b/packages/ast-utilities/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [0.1.0] - 2020-04-20
 
diff --git a/packages/ast-utilities/package.json b/packages/ast-utilities/package.json
index e741f36f5e..20b3461b10 100644
--- a/packages/ast-utilities/package.json
+++ b/packages/ast-utilities/package.json
@@ -42,6 +42,7 @@
     "jest-matcher-utils": "^25.3.0",
     "remark-parse": "^7.0.1",
     "remark-stringify": "^7.0.3",
+    "tslib": "^1.14.1",
     "unified": "^8.4.0",
     "unist-builder": "^1.0.4"
   }
diff --git a/packages/async/CHANGELOG.md b/packages/async/CHANGELOG.md
index 1173e9c903..62e4d7ff86 100644
--- a/packages/async/CHANGELOG.md
+++ b/packages/async/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [2.1.0] - 2019-10-30
 
diff --git a/packages/async/package.json b/packages/async/package.json
index b818c2f662..353a0bff7e 100644
--- a/packages/async/package.json
+++ b/packages/async/package.json
@@ -37,5 +37,8 @@
     "!tsconfig.tsbuildinfo",
     "babel.d.ts",
     "babel.js"
-  ]
+  ],
+  "dependencies": {
+    "tslib": "^1.14.1"
+  }
 }
diff --git a/packages/browser/CHANGELOG.md b/packages/browser/CHANGELOG.md
index 174e3ae3fd..7120cf9653 100644
--- a/packages/browser/CHANGELOG.md
+++ b/packages/browser/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
+
 ## [1.0.0] - 2020-05-20
 
 ### Added
diff --git a/packages/browser/package.json b/packages/browser/package.json
index 0e6eb7a9e7..7121152479 100644
--- a/packages/browser/package.json
+++ b/packages/browser/package.json
@@ -28,6 +28,7 @@
     "!tsconfig.tsbuildinfo"
   ],
   "dependencies": {
+    "tslib": "^1.14.1",
     "ua-parser-js": "^0.7.17"
   }
 }
diff --git a/packages/csrf-token-fetcher/CHANGELOG.md b/packages/csrf-token-fetcher/CHANGELOG.md
index 012e64423e..bbf93bd738 100644
--- a/packages/csrf-token-fetcher/CHANGELOG.md
+++ b/packages/csrf-token-fetcher/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [0.0.4] - 2019-01-12
 
diff --git a/packages/csrf-token-fetcher/package.json b/packages/csrf-token-fetcher/package.json
index 0605998ba8..4bd6c9a31f 100644
--- a/packages/csrf-token-fetcher/package.json
+++ b/packages/csrf-token-fetcher/package.json
@@ -28,6 +28,6 @@
     "!tsconfig.tsbuildinfo"
   ],
   "dependencies": {
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   }
 }
diff --git a/packages/css-utilities/CHANGELOG.md b/packages/css-utilities/CHANGELOG.md
index eddbaaf73e..04438964c0 100644
--- a/packages/css-utilities/CHANGELOG.md
+++ b/packages/css-utilities/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.0.0] - 2019-04-14
 
diff --git a/packages/css-utilities/package.json b/packages/css-utilities/package.json
index 5fde59b78b..01869cd301 100644
--- a/packages/css-utilities/package.json
+++ b/packages/css-utilities/package.json
@@ -25,7 +25,8 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/css-utilities/README.md",
   "dependencies": {
     "@types/classnames": "^2.2.7",
-    "classnames": "^2.2.6"
+    "classnames": "^2.2.6",
+    "tslib": "^1.14.1"
   },
   "files": [
     "dist/*",
diff --git a/packages/dates/CHANGELOG.md b/packages/dates/CHANGELOG.md
index 924da22b48..826142f1fc 100644
--- a/packages/dates/CHANGELOG.md
+++ b/packages/dates/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
+
 ## [0.4.0] - 2020-06-04
 
 ### Added
diff --git a/packages/dates/package.json b/packages/dates/package.json
index 71ee77beba..10a9a17f3f 100644
--- a/packages/dates/package.json
+++ b/packages/dates/package.json
@@ -25,7 +25,7 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/dates/README.md",
   "dependencies": {
     "@shopify/decorators": "^1.1.12",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@shopify/jest-dom-mocks": "^2.9.2"
diff --git a/packages/decorators/CHANGELOG.md b/packages/decorators/CHANGELOG.md
index c9c30e9b28..b764997729 100644
--- a/packages/decorators/CHANGELOG.md
+++ b/packages/decorators/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.1.0] - 2019-03-22
 
diff --git a/packages/decorators/package.json b/packages/decorators/package.json
index 5a60b1ca30..1bba2fd61b 100644
--- a/packages/decorators/package.json
+++ b/packages/decorators/package.json
@@ -28,6 +28,7 @@
     "!tsconfig.tsbuildinfo"
   ],
   "dependencies": {
-    "@shopify/function-enhancers": "^1.0.10"
+    "@shopify/function-enhancers": "^1.0.10",
+    "tslib": "^1.14.1"
   }
 }
diff --git a/packages/enzyme-utilities/CHANGELOG.md b/packages/enzyme-utilities/CHANGELOG.md
index 961330b02f..fe137ada46 100644
--- a/packages/enzyme-utilities/CHANGELOG.md
+++ b/packages/enzyme-utilities/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [2.1.12] - 2020-05-29
 
diff --git a/packages/enzyme-utilities/package.json b/packages/enzyme-utilities/package.json
index edf7ca0dbe..0f6065c2b4 100644
--- a/packages/enzyme-utilities/package.json
+++ b/packages/enzyme-utilities/package.json
@@ -24,7 +24,7 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/enzyme-utilities/README.md",
   "dependencies": {
     "lodash": "^4.17.5",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "sideEffects": false,
   "peerDependencies": {
diff --git a/packages/function-enhancers/CHANGELOG.md b/packages/function-enhancers/CHANGELOG.md
index 8f3d953238..7323ce7867 100644
--- a/packages/function-enhancers/CHANGELOG.md
+++ b/packages/function-enhancers/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.0.0] - 2019-03-21
 
diff --git a/packages/function-enhancers/package.json b/packages/function-enhancers/package.json
index 9fbfaa815a..190cc3cdf4 100644
--- a/packages/function-enhancers/package.json
+++ b/packages/function-enhancers/package.json
@@ -26,5 +26,8 @@
   "files": [
     "dist/*",
     "!tsconfig.tsbuildinfo"
-  ]
+  ],
+  "dependencies": {
+    "tslib": "^1.14.1"
+  }
 }
diff --git a/packages/graphql-persisted/CHANGELOG.md b/packages/graphql-persisted/CHANGELOG.md
index d897f3ece8..53a46f14da 100644
--- a/packages/graphql-persisted/CHANGELOG.md
+++ b/packages/graphql-persisted/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.1.15] - 2019-11-29
 
diff --git a/packages/graphql-persisted/package.json b/packages/graphql-persisted/package.json
index d6c2d5d8dc..d58c168efa 100644
--- a/packages/graphql-persisted/package.json
+++ b/packages/graphql-persisted/package.json
@@ -27,7 +27,8 @@
     "@types/koa-compose": "*",
     "apollo-link": ">=1.0.0 <2.0.0",
     "koa-bodyparser": ">=4.0.0 <5.0.0",
-    "koa-compose": ">=3.0.0 <4.0.0"
+    "koa-compose": ">=3.0.0 <4.0.0",
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@shopify/sewing-kit-koa": "^6.3.5"
diff --git a/packages/graphql-testing/CHANGELOG.md b/packages/graphql-testing/CHANGELOG.md
index 6186e2613d..a14bfd76a1 100644
--- a/packages/graphql-testing/CHANGELOG.md
+++ b/packages/graphql-testing/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [4.2.0] - 2020-06-24
 
diff --git a/packages/graphql-testing/package.json b/packages/graphql-testing/package.json
index e7632de80c..965c347a5d 100644
--- a/packages/graphql-testing/package.json
+++ b/packages/graphql-testing/package.json
@@ -28,7 +28,8 @@
     "apollo-client": ">=2.0.0 <3.0.0",
     "apollo-link": ">=1.0.0 <2.0.0",
     "graphql": "^14.0.0",
-    "jest-matcher-utils": "^25.3.0"
+    "jest-matcher-utils": "^25.3.0",
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@shopify/useful-types": "^2.2.0",
diff --git a/packages/i18n/CHANGELOG.md b/packages/i18n/CHANGELOG.md
index 0a5586a71d..dc10a79eac 100644
--- a/packages/i18n/CHANGELOG.md
+++ b/packages/i18n/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [0.1.3] - 2019-01-09
 
diff --git a/packages/i18n/package.json b/packages/i18n/package.json
index de1a9b09e5..9be57f95b3 100644
--- a/packages/i18n/package.json
+++ b/packages/i18n/package.json
@@ -24,7 +24,7 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/i18n/README.md",
   "sideEffects": false,
   "dependencies": {
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "files": [
     "dist/*",
diff --git a/packages/jest-dom-mocks/CHANGELOG.md b/packages/jest-dom-mocks/CHANGELOG.md
index 908276aa90..dd5684dfe4 100644
--- a/packages/jest-dom-mocks/CHANGELOG.md
+++ b/packages/jest-dom-mocks/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [2.9.2] - 2020-10-09
 
diff --git a/packages/jest-dom-mocks/package.json b/packages/jest-dom-mocks/package.json
index 7276341657..94d2a5cc81 100644
--- a/packages/jest-dom-mocks/package.json
+++ b/packages/jest-dom-mocks/package.json
@@ -30,7 +30,7 @@
     "fetch-mock": "^9.10.1",
     "lolex": "^2.7.5",
     "promise": "^8.0.3",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "sideEffects": false,
   "files": [
diff --git a/packages/jest-koa-mocks/CHANGELOG.md b/packages/jest-koa-mocks/CHANGELOG.md
index 96f4bb6d0b..5f1aa9348a 100644
--- a/packages/jest-koa-mocks/CHANGELOG.md
+++ b/packages/jest-koa-mocks/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [2.2.0] - 2019-12-19
 
diff --git a/packages/jest-koa-mocks/package.json b/packages/jest-koa-mocks/package.json
index b54591fdd8..8d959f454e 100644
--- a/packages/jest-koa-mocks/package.json
+++ b/packages/jest-koa-mocks/package.json
@@ -25,7 +25,7 @@
   "dependencies": {
     "koa": "^2.5.0",
     "node-mocks-http": "^1.5.8",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@types/express": "^4.11.1",
diff --git a/packages/jest-mock-apollo/CHANGELOG.md b/packages/jest-mock-apollo/CHANGELOG.md
index f248dcef5a..20813abd8c 100644
--- a/packages/jest-mock-apollo/CHANGELOG.md
+++ b/packages/jest-mock-apollo/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [5.0.0] - 2020-06-24
 
diff --git a/packages/jest-mock-apollo/package.json b/packages/jest-mock-apollo/package.json
index c48966bfa0..589abd6901 100644
--- a/packages/jest-mock-apollo/package.json
+++ b/packages/jest-mock-apollo/package.json
@@ -26,7 +26,7 @@
     "apollo-link": "^1.2.3",
     "graphql": "^14.0.0",
     "graphql-tool-utilities": "^1.0.0",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@apollo/react-common": "^3.1.3",
diff --git a/packages/jest-mock-router/CHANGELOG.md b/packages/jest-mock-router/CHANGELOG.md
index d9fd94415d..c291d67a52 100644
--- a/packages/jest-mock-router/CHANGELOG.md
+++ b/packages/jest-mock-router/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [1.0.14] - 2019-01-09
 
diff --git a/packages/jest-mock-router/package.json b/packages/jest-mock-router/package.json
index 14d8477529..fd37cc9868 100644
--- a/packages/jest-mock-router/package.json
+++ b/packages/jest-mock-router/package.json
@@ -36,7 +36,7 @@
   },
   "sideEffects": false,
   "dependencies": {
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "files": [
     "dist/*",
diff --git a/packages/koa-liveness-ping/CHANGELOG.md b/packages/koa-liveness-ping/CHANGELOG.md
index d595617bb6..909ba59c8a 100644
--- a/packages/koa-liveness-ping/CHANGELOG.md
+++ b/packages/koa-liveness-ping/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [0.1.10] - 2019-01-09
 
diff --git a/packages/koa-liveness-ping/package.json b/packages/koa-liveness-ping/package.json
index ec8ea0e0ff..677c9cb63c 100644
--- a/packages/koa-liveness-ping/package.json
+++ b/packages/koa-liveness-ping/package.json
@@ -31,7 +31,7 @@
   },
   "sideEffects": false,
   "dependencies": {
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "files": [
     "dist/*",
diff --git a/packages/koa-metrics/CHANGELOG.md b/packages/koa-metrics/CHANGELOG.md
index e2191129fd..62e447d01e 100644
--- a/packages/koa-metrics/CHANGELOG.md
+++ b/packages/koa-metrics/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [0.4.0] - 2020-04-03
 
diff --git a/packages/koa-metrics/package.json b/packages/koa-metrics/package.json
index 568a4496e2..9249969f64 100644
--- a/packages/koa-metrics/package.json
+++ b/packages/koa-metrics/package.json
@@ -24,7 +24,7 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/koa-metrics/README.md",
   "dependencies": {
     "@shopify/statsd": "^2.0.0",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@shopify/jest-koa-mocks": "^2.2.3",
diff --git a/packages/koa-performance/CHANGELOG.md b/packages/koa-performance/CHANGELOG.md
index a7bd73a85f..038d0f7343 100644
--- a/packages/koa-performance/CHANGELOG.md
+++ b/packages/koa-performance/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.2.0] - 2020-02-05
 
diff --git a/packages/koa-performance/package.json b/packages/koa-performance/package.json
index e7471f4823..c130571c37 100644
--- a/packages/koa-performance/package.json
+++ b/packages/koa-performance/package.json
@@ -31,7 +31,8 @@
     "@types/koa-bodyparser": "*",
     "@types/koa-compose": "*",
     "koa-bodyparser": ">=4.0.0 <5.0.0",
-    "koa-compose": ">=3.0.0 <4.0.0"
+    "koa-compose": ">=3.0.0 <4.0.0",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "koa": ">=2.0.0"
diff --git a/packages/koa-shopify-graphql-proxy/CHANGELOG.md b/packages/koa-shopify-graphql-proxy/CHANGELOG.md
index e5e791990f..b2cd1ce102 100644
--- a/packages/koa-shopify-graphql-proxy/CHANGELOG.md
+++ b/packages/koa-shopify-graphql-proxy/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [4.0.2] - 2020-09-28
 
diff --git a/packages/koa-shopify-graphql-proxy/package.json b/packages/koa-shopify-graphql-proxy/package.json
index f0c2e82024..be3af5c215 100644
--- a/packages/koa-shopify-graphql-proxy/package.json
+++ b/packages/koa-shopify-graphql-proxy/package.json
@@ -25,7 +25,7 @@
   "dependencies": {
     "@types/koa": "^2.0.0",
     "koa-better-http-proxy": "^0.2.4",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "koa": ">=2.0.0"
diff --git a/packages/koa-shopify-webhooks/CHANGELOG.md b/packages/koa-shopify-webhooks/CHANGELOG.md
index 669090e311..ed5418d844 100644
--- a/packages/koa-shopify-webhooks/CHANGELOG.md
+++ b/packages/koa-shopify-webhooks/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [2.5.1] - 2020-09-28
 
diff --git a/packages/koa-shopify-webhooks/package.json b/packages/koa-shopify-webhooks/package.json
index 703fed3219..4ed3d8ef15 100644
--- a/packages/koa-shopify-webhooks/package.json
+++ b/packages/koa-shopify-webhooks/package.json
@@ -29,7 +29,8 @@
     "koa-bodyparser": "^4.2.1",
     "koa-compose": ">=3.0.0 <4.0.0",
     "koa-mount": "^4.0.0",
-    "safe-compare": "^1.1.3"
+    "safe-compare": "^1.1.3",
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@types/koa-bodyparser": "^4.2.1",
diff --git a/packages/logger/CHANGELOG.md b/packages/logger/CHANGELOG.md
index b0b4be4867..041de883cd 100644
--- a/packages/logger/CHANGELOG.md
+++ b/packages/logger/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [0.1.5] - 2019-01-09
 
diff --git a/packages/logger/package.json b/packages/logger/package.json
index b0d9a4b759..4b44be5acb 100644
--- a/packages/logger/package.json
+++ b/packages/logger/package.json
@@ -26,7 +26,7 @@
     "chalk": "^2.4.1",
     "log-symbols": "^2.2.0",
     "pretty-ms": "^3.2.0",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "sideEffects": false,
   "files": [
diff --git a/packages/magic-entries-webpack-plugin/CHANGELOG.md b/packages/magic-entries-webpack-plugin/CHANGELOG.md
index 6dcc8349b0..d0e8d98797 100644
--- a/packages/magic-entries-webpack-plugin/CHANGELOG.md
+++ b/packages/magic-entries-webpack-plugin/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [0.1.0] - 2020-05-05
 
diff --git a/packages/magic-entries-webpack-plugin/package.json b/packages/magic-entries-webpack-plugin/package.json
index 7ef208f897..e55f1b3094 100644
--- a/packages/magic-entries-webpack-plugin/package.json
+++ b/packages/magic-entries-webpack-plugin/package.json
@@ -25,7 +25,8 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/magic-entries-webpack-plugin/README.md",
   "dependencies": {
     "glob": "^7.1.6",
-    "glob-to-regexp": "^0.4.1"
+    "glob-to-regexp": "^0.4.1",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "webpack": ">4.25.1, <=4.5.0"
diff --git a/packages/mime-types/CHANGELOG.md b/packages/mime-types/CHANGELOG.md
index 68f3abfe00..6afdd83795 100644
--- a/packages/mime-types/CHANGELOG.md
+++ b/packages/mime-types/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [0.1.0] - 2020-05-23
 
diff --git a/packages/mime-types/package.json b/packages/mime-types/package.json
index 4ac93551bc..b34c7f5f76 100644
--- a/packages/mime-types/package.json
+++ b/packages/mime-types/package.json
@@ -26,5 +26,8 @@
   "files": [
     "dist/*",
     "!tsconfig.tsbuildinfo"
-  ]
+  ],
+  "dependencies": {
+    "tslib": "^1.14.1"
+  }
 }
diff --git a/packages/network/CHANGELOG.md b/packages/network/CHANGELOG.md
index d28385a69c..0005617eb1 100644
--- a/packages/network/CHANGELOG.md
+++ b/packages/network/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [1.5.0] - 2019-08-18
 
diff --git a/packages/network/package.json b/packages/network/package.json
index f97e04e708..401429356c 100644
--- a/packages/network/package.json
+++ b/packages/network/package.json
@@ -28,6 +28,6 @@
     "!tsconfig.tsbuildinfo"
   ],
   "dependencies": {
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   }
 }
diff --git a/packages/performance/CHANGELOG.md b/packages/performance/CHANGELOG.md
index 5fecdad543..070c7736ff 100644
--- a/packages/performance/CHANGELOG.md
+++ b/packages/performance/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.2.2] - 2019-10-16
 
diff --git a/packages/performance/package.json b/packages/performance/package.json
index ab287ed8ab..411f14bceb 100644
--- a/packages/performance/package.json
+++ b/packages/performance/package.json
@@ -26,5 +26,8 @@
   "files": [
     "dist/*",
     "!tsconfig.tsbuildinfo"
-  ]
+  ],
+  "dependencies": {
+    "tslib": "^1.14.1"
+  }
 }
diff --git a/packages/polyfills/CHANGELOG.md b/packages/polyfills/CHANGELOG.md
index 227b5ad96c..66d1c3d088 100644
--- a/packages/polyfills/CHANGELOG.md
+++ b/packages/polyfills/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [1.2.3] - 2020-06-30
 
diff --git a/packages/polyfills/package.json b/packages/polyfills/package.json
index d4b22223b1..61eae2b5ae 100644
--- a/packages/polyfills/package.json
+++ b/packages/polyfills/package.json
@@ -33,7 +33,7 @@
     "intl-pluralrules": "^0.2.1",
     "mutationobserver-shim": "^0.3.3",
     "node-fetch": "^2.3.0",
-    "tslib": "^1.9.3",
+    "tslib": "^1.14.1",
     "url-polyfill": "^1.1.7",
     "whatwg-fetch": "^3.0.0"
   },
diff --git a/packages/predicates/CHANGELOG.md b/packages/predicates/CHANGELOG.md
index f8a05355a2..591ce6b0e6 100644
--- a/packages/predicates/CHANGELOG.md
+++ b/packages/predicates/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.2.0]
 
diff --git a/packages/predicates/package.json b/packages/predicates/package.json
index 3d041fabe1..6c5d9e068f 100644
--- a/packages/predicates/package.json
+++ b/packages/predicates/package.json
@@ -26,5 +26,8 @@
   "files": [
     "dist/*",
     "!tsconfig.tsbuildinfo"
-  ]
+  ],
+  "dependencies": {
+    "tslib": "^1.14.1"
+  }
 }
diff --git a/packages/react-app-bridge-universal-provider/CHANGELOG.md b/packages/react-app-bridge-universal-provider/CHANGELOG.md
index 528f8dbb6b..b4b54102cc 100644
--- a/packages/react-app-bridge-universal-provider/CHANGELOG.md
+++ b/packages/react-app-bridge-universal-provider/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.0.0] - 2019-08-28
 
diff --git a/packages/react-app-bridge-universal-provider/package.json b/packages/react-app-bridge-universal-provider/package.json
index a7a2707646..6b41b3273c 100644
--- a/packages/react-app-bridge-universal-provider/package.json
+++ b/packages/react-app-bridge-universal-provider/package.json
@@ -25,7 +25,8 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/react-app-bridge-universal-provider/README.md",
   "dependencies": {
     "@shopify/app-bridge-react": ">=1.5.0",
-    "@shopify/react-html": "^10.0.0"
+    "@shopify/react-html": "^10.0.0",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": ">=16.8.0 <17.0.0"
diff --git a/packages/react-async/CHANGELOG.md b/packages/react-async/CHANGELOG.md
index 2801aac767..a2715c22a3 100644
--- a/packages/react-async/CHANGELOG.md
+++ b/packages/react-async/CHANGELOG.md
@@ -5,7 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
+
+## [3.1.20] - 2020-09-28
 
 - Removed dependency on deprecated `@shopify/javascript-utilities` package ([#1560](https://github.com/Shopify/quilt/pull/1560))
 
diff --git a/packages/react-async/package.json b/packages/react-async/package.json
index f0ad00c141..f3b6161e38 100644
--- a/packages/react-async/package.json
+++ b/packages/react-async/package.json
@@ -30,7 +30,8 @@
     "@shopify/react-hydrate": "^1.1.26",
     "@shopify/react-idle": "^1.0.19",
     "@shopify/react-intersection-observer": "^2.0.15",
-    "@shopify/useful-types": "^2.2.0"
+    "@shopify/useful-types": "^2.2.0",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": ">=16.8.0 <17.0.0"
diff --git a/packages/react-bugsnag/CHANGELOG.md b/packages/react-bugsnag/CHANGELOG.md
index 7e70c46b44..2ced206734 100644
--- a/packages/react-bugsnag/CHANGELOG.md
+++ b/packages/react-bugsnag/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.0.0] - 2020-06-10
 
diff --git a/packages/react-bugsnag/package.json b/packages/react-bugsnag/package.json
index a539298375..c5bb293ff6 100644
--- a/packages/react-bugsnag/package.json
+++ b/packages/react-bugsnag/package.json
@@ -25,7 +25,8 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/react-bugsnag/README.md",
   "dependencies": {
     "@bugsnag/js": "^7.1.1",
-    "@bugsnag/plugin-react": "^7.1.1"
+    "@bugsnag/plugin-react": "^7.1.1",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": "^16.8.1"
diff --git a/packages/react-compose/CHANGELOG.md b/packages/react-compose/CHANGELOG.md
index b0923327ce..0fbc014d61 100644
--- a/packages/react-compose/CHANGELOG.md
+++ b/packages/react-compose/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [1.0.0] - 2019-04-23
 
diff --git a/packages/react-compose/package.json b/packages/react-compose/package.json
index 13af17c17a..7d2b25f1e5 100644
--- a/packages/react-compose/package.json
+++ b/packages/react-compose/package.json
@@ -25,7 +25,7 @@
   "dependencies": {
     "@shopify/useful-types": "^2.2.0",
     "hoist-non-react-statics": "^3.0.1",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": "^16.3.2"
diff --git a/packages/react-cookie/CHANGELOG.md b/packages/react-cookie/CHANGELOG.md
index 9a2a62f168..d2a2434fe3 100644
--- a/packages/react-cookie/CHANGELOG.md
+++ b/packages/react-cookie/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [0.0.1] - 2019-09-27
 
diff --git a/packages/react-cookie/package.json b/packages/react-cookie/package.json
index e5e99c1a5d..0b88a66a81 100644
--- a/packages/react-cookie/package.json
+++ b/packages/react-cookie/package.json
@@ -27,7 +27,7 @@
     "@shopify/react-hooks": "^1.11.1",
     "@shopify/react-network": "^3.5.6",
     "cookie": "^0.4.0",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": "^16.3.2",
diff --git a/packages/react-csrf-universal-provider/CHANGELOG.md b/packages/react-csrf-universal-provider/CHANGELOG.md
index d9ed5b095c..eb9ad38523 100644
--- a/packages/react-csrf-universal-provider/CHANGELOG.md
+++ b/packages/react-csrf-universal-provider/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.1.0] - 2019-12-19
 
diff --git a/packages/react-csrf-universal-provider/package.json b/packages/react-csrf-universal-provider/package.json
index b25737d67e..e2fe13e5ed 100644
--- a/packages/react-csrf-universal-provider/package.json
+++ b/packages/react-csrf-universal-provider/package.json
@@ -26,7 +26,8 @@
   "dependencies": {
     "@shopify/react-csrf": "^1.0.12",
     "@shopify/react-html": "^10.0.0",
-    "@shopify/react-universal-provider": "^1.1.22"
+    "@shopify/react-universal-provider": "^1.1.22",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": ">=16.8.0 <17.0.0"
diff --git a/packages/react-csrf/CHANGELOG.md b/packages/react-csrf/CHANGELOG.md
index d0ba726da9..ec6cd85120 100644
--- a/packages/react-csrf/CHANGELOG.md
+++ b/packages/react-csrf/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.0.8] - 2020-10-15
 
diff --git a/packages/react-csrf/package.json b/packages/react-csrf/package.json
index 55a6aabf56..5af03839a1 100644
--- a/packages/react-csrf/package.json
+++ b/packages/react-csrf/package.json
@@ -29,5 +29,8 @@
   "files": [
     "dist/*",
     "!tsconfig.tsbuildinfo"
-  ]
+  ],
+  "dependencies": {
+    "tslib": "^1.14.1"
+  }
 }
diff --git a/packages/react-effect/CHANGELOG.md b/packages/react-effect/CHANGELOG.md
index 737090614b..04542756b2 100644
--- a/packages/react-effect/CHANGELOG.md
+++ b/packages/react-effect/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## Unreleased -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [3.2.1] - 2019-01-27
 
diff --git a/packages/react-effect/package.json b/packages/react-effect/package.json
index de714c6380..7bf5f40a37 100644
--- a/packages/react-effect/package.json
+++ b/packages/react-effect/package.json
@@ -24,7 +24,7 @@
   },
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/react-effect/README.md",
   "dependencies": {
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@types/react-dom": "^16.0.11"
diff --git a/packages/react-form-state/CHANGELOG.md b/packages/react-form-state/CHANGELOG.md
index cf3e7328d1..efa5121940 100644
--- a/packages/react-form-state/CHANGELOG.md
+++ b/packages/react-form-state/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [0.11.11] - 2019-10-01
 
diff --git a/packages/react-form-state/package.json b/packages/react-form-state/package.json
index 95fe5e38cb..c1d019f928 100644
--- a/packages/react-form-state/package.json
+++ b/packages/react-form-state/package.json
@@ -25,7 +25,7 @@
   "dependencies": {
     "@shopify/predicates": "^1.2.6",
     "fast-deep-equal": "^2.0.1",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": "^16.4.1"
diff --git a/packages/react-form/CHANGELOG.md b/packages/react-form/CHANGELOG.md
index efbdd2c88e..1dcb5253ac 100644
--- a/packages/react-form/CHANGELOG.md
+++ b/packages/react-form/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [0.8.0] - 2020-09-28
 
diff --git a/packages/react-form/package.json b/packages/react-form/package.json
index ab6a245f99..678c7e259b 100644
--- a/packages/react-form/package.json
+++ b/packages/react-form/package.json
@@ -38,6 +38,7 @@
     "@shopify/predicates": "^1.2.6",
     "@shopify/react-hooks": "^1.11.1",
     "fast-deep-equal": "^2.0.1",
-    "get-value": "^3.0.1"
+    "get-value": "^3.0.1",
+    "tslib": "^1.14.1"
   }
 }
diff --git a/packages/react-google-analytics/CHANGELOG.md b/packages/react-google-analytics/CHANGELOG.md
index 2f5a0211cf..db7505fb3c 100644
--- a/packages/react-google-analytics/CHANGELOG.md
+++ b/packages/react-google-analytics/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [3.2.0] - 2020-03-13
 
diff --git a/packages/react-google-analytics/package.json b/packages/react-google-analytics/package.json
index 569f3ee8f7..a424298f1e 100644
--- a/packages/react-google-analytics/package.json
+++ b/packages/react-google-analytics/package.json
@@ -25,7 +25,7 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/react-google-analytics/README.md",
   "dependencies": {
     "@shopify/react-import-remote": "^1.1.2",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": "^16.4.1"
diff --git a/packages/react-graphql-universal-provider/CHANGELOG.md b/packages/react-graphql-universal-provider/CHANGELOG.md
index c68bfbfb93..6c22a79412 100644
--- a/packages/react-graphql-universal-provider/CHANGELOG.md
+++ b/packages/react-graphql-universal-provider/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [3.3.0] - 2020-08-26
 
diff --git a/packages/react-graphql-universal-provider/package.json b/packages/react-graphql-universal-provider/package.json
index 051cb30657..904aa3c1a2 100644
--- a/packages/react-graphql-universal-provider/package.json
+++ b/packages/react-graphql-universal-provider/package.json
@@ -31,7 +31,8 @@
     "apollo-cache-inmemory": ">=1.0.0 <2.0.0",
     "apollo-client": ">=2.0.0 <3.0.0",
     "apollo-link": ">=1.0.0 <2.0.0",
-    "apollo-link-context": ">=1.0.0 <2.0.0"
+    "apollo-link-context": ">=1.0.0 <2.0.0",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": ">=16.8.0 <17.0.0"
diff --git a/packages/react-graphql/CHANGELOG.md b/packages/react-graphql/CHANGELOG.md
index 177bb44aa1..9ecb529bf9 100644
--- a/packages/react-graphql/CHANGELOG.md
+++ b/packages/react-graphql/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [6.1.13] - 2020-06-24
 
diff --git a/packages/react-graphql/package.json b/packages/react-graphql/package.json
index 25b572430c..8edd3c4509 100644
--- a/packages/react-graphql/package.json
+++ b/packages/react-graphql/package.json
@@ -35,7 +35,8 @@
     "apollo-cache-inmemory": ">=1.0.0 <2.0.0",
     "apollo-client": ">=2.0.0 <3.0.0",
     "apollo-link": ">=1.0.0 <2.0.0",
-    "graphql-typed": "^0.5.0"
+    "graphql-typed": "^0.5.0",
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@shopify/react-testing": "^2.1.3"
diff --git a/packages/react-hooks/CHANGELOG.md b/packages/react-hooks/CHANGELOG.md
index 40370b5694..01c4b67819 100644
--- a/packages/react-hooks/CHANGELOG.md
+++ b/packages/react-hooks/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.11.1] - 2020-08-19
 
diff --git a/packages/react-hooks/package.json b/packages/react-hooks/package.json
index cd90d925e8..7667e3eb28 100644
--- a/packages/react-hooks/package.json
+++ b/packages/react-hooks/package.json
@@ -29,5 +29,8 @@
   "files": [
     "dist/*",
     "!tsconfig.tsbuildinfo"
-  ]
+  ],
+  "dependencies": {
+    "tslib": "^1.14.1"
+  }
 }
diff --git a/packages/react-html/CHANGELOG.md b/packages/react-html/CHANGELOG.md
index 70b230e912..769401fde6 100644
--- a/packages/react-html/CHANGELOG.md
+++ b/packages/react-html/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [10.0.0] - 2020-10-09
 
diff --git a/packages/react-html/package.json b/packages/react-html/package.json
index d53e8ac27c..7cfa4da8fc 100644
--- a/packages/react-html/package.json
+++ b/packages/react-html/package.json
@@ -29,7 +29,7 @@
     "@types/multistream": "^2.1.1",
     "multistream": "^2.1.1",
     "serialize-javascript": "^3.0.0",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": "^16.3.2",
diff --git a/packages/react-hydrate/CHANGELOG.md b/packages/react-hydrate/CHANGELOG.md
index cfd3bb22e2..31568e2511 100644
--- a/packages/react-hydrate/CHANGELOG.md
+++ b/packages/react-hydrate/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.1.1] - 2019-07-04
 
diff --git a/packages/react-hydrate/package.json b/packages/react-hydrate/package.json
index fb347020bd..16e5dc116b 100644
--- a/packages/react-hydrate/package.json
+++ b/packages/react-hydrate/package.json
@@ -25,7 +25,8 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/react-hydrate/README.md",
   "dependencies": {
     "@shopify/react-effect": "^3.2.12",
-    "@shopify/react-hooks": "^1.11.1"
+    "@shopify/react-hooks": "^1.11.1",
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "faker": "^4.1.0"
diff --git a/packages/react-i18n-universal-provider/CHANGELOG.md b/packages/react-i18n-universal-provider/CHANGELOG.md
index 1a4a612697..58d0b2c5f3 100644
--- a/packages/react-i18n-universal-provider/CHANGELOG.md
+++ b/packages/react-i18n-universal-provider/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
+
 ## [1.0.59] - 2020-06-04
 
 ### Fixed
diff --git a/packages/react-i18n-universal-provider/package.json b/packages/react-i18n-universal-provider/package.json
index 698c5d9a64..ec95f641d0 100644
--- a/packages/react-i18n-universal-provider/package.json
+++ b/packages/react-i18n-universal-provider/package.json
@@ -26,7 +26,8 @@
   "dependencies": {
     "@shopify/react-hooks": "^1.11.1",
     "@shopify/react-html": "^10.0.0",
-    "@shopify/react-i18n": "^5.1.2"
+    "@shopify/react-i18n": "^5.1.2",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": ">=16.8.0 <17.0.0"
diff --git a/packages/react-i18n/CHANGELOG.md b/packages/react-i18n/CHANGELOG.md
index 9aedb49084..6353441596 100644
--- a/packages/react-i18n/CHANGELOG.md
+++ b/packages/react-i18n/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [5.1.1] - 2020-09-28
 
diff --git a/packages/react-i18n/package.json b/packages/react-i18n/package.json
index aac24a3031..99e29028a8 100644
--- a/packages/react-i18n/package.json
+++ b/packages/react-i18n/package.json
@@ -47,7 +47,7 @@
     "lodash.clonedeep": "^4.0.0",
     "lodash.merge": "^4.0.0",
     "string-hash": "^1.1.3",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "sideEffects": false,
   "peerDependencies": {
diff --git a/packages/react-idle/CHANGELOG.md b/packages/react-idle/CHANGELOG.md
index d64e295d9e..2512ba7c62 100644
--- a/packages/react-idle/CHANGELOG.md
+++ b/packages/react-idle/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.0.0] - 2019-05-21
 
diff --git a/packages/react-idle/package.json b/packages/react-idle/package.json
index 5d98f651d9..71bf544c76 100644
--- a/packages/react-idle/package.json
+++ b/packages/react-idle/package.json
@@ -25,7 +25,8 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/react-idle/README.md",
   "dependencies": {
     "@shopify/async": "^2.1.5",
-    "@shopify/useful-types": "^2.2.0"
+    "@shopify/useful-types": "^2.2.0",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": "^16.8.0"
diff --git a/packages/react-import-remote/CHANGELOG.md b/packages/react-import-remote/CHANGELOG.md
index bc9b91dc5c..7543297b92 100644
--- a/packages/react-import-remote/CHANGELOG.md
+++ b/packages/react-import-remote/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [1.1.0] - 2020-09-15
 
diff --git a/packages/react-import-remote/package.json b/packages/react-import-remote/package.json
index 7018ac2a7f..d6cbc6b751 100644
--- a/packages/react-import-remote/package.json
+++ b/packages/react-import-remote/package.json
@@ -28,7 +28,7 @@
     "@shopify/react-html": "^10.0.0",
     "@shopify/react-intersection-observer": "^2.0.15",
     "@shopify/useful-types": "^2.2.0",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": "^16.4.1"
diff --git a/packages/react-intersection-observer/CHANGELOG.md b/packages/react-intersection-observer/CHANGELOG.md
index 0a0c8a6b55..3e7fc91399 100644
--- a/packages/react-intersection-observer/CHANGELOG.md
+++ b/packages/react-intersection-observer/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [2.0.8] - 2019-10-31
 
diff --git a/packages/react-intersection-observer/package.json b/packages/react-intersection-observer/package.json
index fcd4021e85..062744914c 100644
--- a/packages/react-intersection-observer/package.json
+++ b/packages/react-intersection-observer/package.json
@@ -29,5 +29,8 @@
   ],
   "peerDependencies": {
     "react": ">=16.8.0 <17.0.0"
+  },
+  "dependencies": {
+    "tslib": "^1.14.1"
   }
 }
diff --git a/packages/react-network/CHANGELOG.md b/packages/react-network/CHANGELOG.md
index 070ba3e6ca..eb9cb5c7c8 100644
--- a/packages/react-network/CHANGELOG.md
+++ b/packages/react-network/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [3.5.1] - 2020-06-22
 
diff --git a/packages/react-network/package.json b/packages/react-network/package.json
index 989bde38b0..153e6edce3 100644
--- a/packages/react-network/package.json
+++ b/packages/react-network/package.json
@@ -33,7 +33,7 @@
     "@types/koa": "^2.0.0",
     "accept-language-parser": "1.5.0",
     "cookie": "^0.4.0",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@shopify/jest-koa-mocks": "^2.2.3"
diff --git a/packages/react-performance/CHANGELOG.md b/packages/react-performance/CHANGELOG.md
index b0a789326b..2424307161 100644
--- a/packages/react-performance/CHANGELOG.md
+++ b/packages/react-performance/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.3.0] - 2020-02-05
 
diff --git a/packages/react-performance/package.json b/packages/react-performance/package.json
index 75e59035c1..515e1c29f4 100644
--- a/packages/react-performance/package.json
+++ b/packages/react-performance/package.json
@@ -24,7 +24,8 @@
   },
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/react-performance/README.md",
   "dependencies": {
-    "@shopify/performance": "^1.2.9"
+    "@shopify/performance": "^1.2.9",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": ">=16.8.0 <17.0.0"
diff --git a/packages/react-preconnect/tsconfig.json b/packages/react-preconnect/tsconfig.json
deleted file mode 100644
index 4c83bd9c76..0000000000
--- a/packages/react-preconnect/tsconfig.json
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-  "extends": "../tsconfig_base.json",
-  "compilerOptions": {
-    "outDir": "./dist",
-    "baseUrl": ".",
-    "rootDir": "."
-  },
-  "include": [
-    "../../config/typescript/**/*",
-    "./src/**/*.ts",
-    "./src/**/*.tsx"
-  ],
-  "exclude": ["**/*.test.ts", "**/*.test.tsx"]
-}
diff --git a/packages/react-router/CHANGELOG.md b/packages/react-router/CHANGELOG.md
index 511b6ca959..12b336d5b2 100644
--- a/packages/react-router/CHANGELOG.md
+++ b/packages/react-router/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [0.1.0] - 2020-10-09
 
diff --git a/packages/react-router/package.json b/packages/react-router/package.json
index 7071fc143b..4c08dbfbe0 100644
--- a/packages/react-router/package.json
+++ b/packages/react-router/package.json
@@ -26,7 +26,8 @@
   "dependencies": {
     "@shopify/react-network": "^3.5.6",
     "@types/react-router-dom": "*",
-    "react-router-dom": ">=5.1.0 <6.0.0"
+    "react-router-dom": ">=5.1.0 <6.0.0",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": ">=16.8.0 <17.0.0",
diff --git a/packages/react-server/CHANGELOG.md b/packages/react-server/CHANGELOG.md
index 6c890a0691..cb67576574 100644
--- a/packages/react-server/CHANGELOG.md
+++ b/packages/react-server/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [0.18.0] - 2019-08-18
 
diff --git a/packages/react-server/package.json b/packages/react-server/package.json
index 334b84e9c2..e7ea659223 100644
--- a/packages/react-server/package.json
+++ b/packages/react-server/package.json
@@ -36,7 +36,8 @@
     "chalk": "^2.4.2",
     "koa": "^2.5.0",
     "koa-compose": ">=3.0.0 <4.0.0",
-    "koa-mount": "^4.0.0"
+    "koa-mount": "^4.0.0",
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@shopify/jest-koa-mocks": "^2.2.3",
diff --git a/packages/react-shortcuts/CHANGELOG.md b/packages/react-shortcuts/CHANGELOG.md
index 29f1f1f10d..45253fb05c 100644
--- a/packages/react-shortcuts/CHANGELOG.md
+++ b/packages/react-shortcuts/CHANGELOG.md
@@ -5,11 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ### Fixed
 
-- Added a check for event.getModifierState method before calling it.  ([#1578](https://github.com/Shopify/quilt/pull/1578))
+- Added a check for event.getModifierState method before calling it. ([#1578](https://github.com/Shopify/quilt/pull/1578))
 
 ## [3.0.0] - 2019-04-02
 
diff --git a/packages/react-shortcuts/package.json b/packages/react-shortcuts/package.json
index 46a5f3cf4a..ee50896d3d 100644
--- a/packages/react-shortcuts/package.json
+++ b/packages/react-shortcuts/package.json
@@ -26,7 +26,7 @@
     "react": ">=16.8.0 <17.0.0"
   },
   "dependencies": {
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "sideEffects": false,
   "files": [
diff --git a/packages/react-testing/CHANGELOG.md b/packages/react-testing/CHANGELOG.md
index 39fceeec90..2392a2b79e 100644
--- a/packages/react-testing/CHANGELOG.md
+++ b/packages/react-testing/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [2.1.1] - 2020-05-29
 
diff --git a/packages/react-testing/package.json b/packages/react-testing/package.json
index da499ca07a..303d1c18bd 100644
--- a/packages/react-testing/package.json
+++ b/packages/react-testing/package.json
@@ -26,7 +26,8 @@
   "dependencies": {
     "@shopify/useful-types": "^2.2.0",
     "jest-matcher-utils": "^25.3.0",
-    "react-reconciler": "^0.20.2"
+    "react-reconciler": "^0.20.2",
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "faker": "^4.1.0"
diff --git a/packages/react-tracking-pixel/CHANGELOG.md b/packages/react-tracking-pixel/CHANGELOG.md
index 7ba03d3adb..8a8c6e07fb 100644
--- a/packages/react-tracking-pixel/CHANGELOG.md
+++ b/packages/react-tracking-pixel/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [3.0.0] - 2019-04-08
 
diff --git a/packages/react-tracking-pixel/package.json b/packages/react-tracking-pixel/package.json
index 2d06c65255..4741fdcd2f 100644
--- a/packages/react-tracking-pixel/package.json
+++ b/packages/react-tracking-pixel/package.json
@@ -24,7 +24,7 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/react-tracking-pixel/README.md",
   "dependencies": {
     "@shopify/react-html": "^10.0.0",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": "^16.4.1"
diff --git a/packages/react-universal-provider/CHANGELOG.md b/packages/react-universal-provider/CHANGELOG.md
index 8f80fecc76..ff990978f2 100644
--- a/packages/react-universal-provider/CHANGELOG.md
+++ b/packages/react-universal-provider/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [1.1.0] - 2019-12-19
 
diff --git a/packages/react-universal-provider/package.json b/packages/react-universal-provider/package.json
index 810262a5d7..b5f855c7b7 100644
--- a/packages/react-universal-provider/package.json
+++ b/packages/react-universal-provider/package.json
@@ -25,7 +25,8 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/react-universal-provider/README.md",
   "dependencies": {
     "@shopify/react-effect": "^3.2.12",
-    "@shopify/react-html": "^10.0.0"
+    "@shopify/react-html": "^10.0.0",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": ">=16.8.0 <17.0.0"
diff --git a/packages/react-web-worker/CHANGELOG.md b/packages/react-web-worker/CHANGELOG.md
index 2d0b204e70..ce587711b2 100644
--- a/packages/react-web-worker/CHANGELOG.md
+++ b/packages/react-web-worker/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [1.2.0] - 2019-11-11
 
diff --git a/packages/react-web-worker/package.json b/packages/react-web-worker/package.json
index 2c5774778e..fc79417eec 100644
--- a/packages/react-web-worker/package.json
+++ b/packages/react-web-worker/package.json
@@ -26,7 +26,8 @@
   "dependencies": {
     "@shopify/react-hooks": "^1.11.1",
     "@shopify/useful-types": "^2.2.0",
-    "@shopify/web-worker": "^1.4.1"
+    "@shopify/web-worker": "^1.4.1",
+    "tslib": "^1.14.1"
   },
   "peerDependencies": {
     "react": ">=16.8.0 <17.0.0",
diff --git a/packages/rpc/CHANGELOG.md b/packages/rpc/CHANGELOG.md
index c3bcb90e1a..9bf8214119 100644
--- a/packages/rpc/CHANGELOG.md
+++ b/packages/rpc/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.0.1] - 2019-11-08
 
diff --git a/packages/rpc/package.json b/packages/rpc/package.json
index 0f3ba62818..dea6769173 100644
--- a/packages/rpc/package.json
+++ b/packages/rpc/package.json
@@ -30,5 +30,8 @@
   "devDependencies": {
     "@types/uuid": "^3.4.6",
     "uuid": "^3.3.3"
+  },
+  "dependencies": {
+    "tslib": "^1.14.1"
   }
 }
diff --git a/packages/semaphore/CHANGELOG.md b/packages/semaphore/CHANGELOG.md
index 243d0df284..4eca987d98 100644
--- a/packages/semaphore/CHANGELOG.md
+++ b/packages/semaphore/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.0.6] - 2020-04-21
 
diff --git a/packages/semaphore/package.json b/packages/semaphore/package.json
index 225157d8a9..395d1e09bf 100644
--- a/packages/semaphore/package.json
+++ b/packages/semaphore/package.json
@@ -26,5 +26,8 @@
   "files": [
     "dist/*",
     "!tsconfig.tsbuildinfo"
-  ]
+  ],
+  "dependencies": {
+    "tslib": "^1.14.1"
+  }
 }
diff --git a/packages/sewing-kit-koa/CHANGELOG.md b/packages/sewing-kit-koa/CHANGELOG.md
index 19f4fb3a97..17b585976e 100644
--- a/packages/sewing-kit-koa/CHANGELOG.md
+++ b/packages/sewing-kit-koa/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [6.3.0] - 2020-02-03
 
diff --git a/packages/sewing-kit-koa/package.json b/packages/sewing-kit-koa/package.json
index b0dc0a306b..7bbe5529f1 100644
--- a/packages/sewing-kit-koa/package.json
+++ b/packages/sewing-kit-koa/package.json
@@ -35,7 +35,7 @@
     "koa-mount": "^4.0.0",
     "koa-static": "^5.0.0",
     "node-gzip": "^1.1.2",
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "devDependencies": {
     "@shopify/jest-koa-mocks": "^2.2.3",
diff --git a/packages/statsd/CHANGELOG.md b/packages/statsd/CHANGELOG.md
index fb38849a5c..a51b1eba51 100644
--- a/packages/statsd/CHANGELOG.md
+++ b/packages/statsd/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [2.0.0] - 2019-12-24
 
diff --git a/packages/statsd/package.json b/packages/statsd/package.json
index b5f8e7aa78..ace1575f68 100644
--- a/packages/statsd/package.json
+++ b/packages/statsd/package.json
@@ -25,7 +25,8 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/statsd/README.md",
   "dependencies": {
     "change-case": "^4.1.1",
-    "hot-shots": "^8.2.0"
+    "hot-shots": "^8.2.0",
+    "tslib": "^1.14.1"
   },
   "files": [
     "dist/*",
diff --git a/packages/useful-types/CHANGELOG.md b/packages/useful-types/CHANGELOG.md
index e5897632d1..2b8794a8fc 100644
--- a/packages/useful-types/CHANGELOG.md
+++ b/packages/useful-types/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
+
 ## [2.2.0] - 2019-06-12
 
 ### Added
diff --git a/packages/useful-types/package.json b/packages/useful-types/package.json
index 9b06fec0c2..4e0cb7e9ed 100644
--- a/packages/useful-types/package.json
+++ b/packages/useful-types/package.json
@@ -24,7 +24,7 @@
   },
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/useful-types/README.md",
   "dependencies": {
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "files": [
     "dist/*",
diff --git a/packages/web-worker/CHANGELOG.md b/packages/web-worker/CHANGELOG.md
index 8870a16b4f..92d3879324 100644
--- a/packages/web-worker/CHANGELOG.md
+++ b/packages/web-worker/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Added `tslib@^1.14.1` in the list of dependencies
 
 ## [1.4.0] - 2020-05-29
 
diff --git a/packages/web-worker/package.json b/packages/web-worker/package.json
index 4ca7ebaba0..3d8bc8b454 100644
--- a/packages/web-worker/package.json
+++ b/packages/web-worker/package.json
@@ -26,6 +26,7 @@
   "dependencies": {
     "@shopify/rpc": "^1.0.7",
     "loader-utils": "^1.0.0",
+    "tslib": "^1.14.1",
     "webpack-virtual-modules": "^0.2.2"
   },
   "devDependencies": {
diff --git a/packages/with-env/CHANGELOG.md b/packages/with-env/CHANGELOG.md
index b86ac486ed..60f8d136bf 100644
--- a/packages/with-env/CHANGELOG.md
+++ b/packages/with-env/CHANGELOG.md
@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+
+- Updated `tslib` dependency to `^1.14.1`
 
 ## [1.1.0] - 2019-05-03
 
diff --git a/packages/with-env/package.json b/packages/with-env/package.json
index 5c203dee05..1ff82d4f66 100644
--- a/packages/with-env/package.json
+++ b/packages/with-env/package.json
@@ -24,7 +24,7 @@
   "homepage": "https://github.com/Shopify/quilt/blob/master/packages/with-env/README.md",
   "sideEffects": false,
   "dependencies": {
-    "tslib": "^1.9.3"
+    "tslib": "^1.14.1"
   },
   "files": [
     "dist/*",
diff --git a/yarn.lock b/yarn.lock
index 103b47d37f..8000e0d47f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13734,10 +13734,10 @@ ts-node@^8:
     source-map-support "^0.5.6"
     yn "3.1.1"
 
-tslib@^1, tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
-  version "1.11.1"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
-  integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==
+tslib@^1, tslib@^1.10.0, tslib@^1.14.1, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
+  integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
 tsscmp@1.0.6:
   version "1.0.6"