diff --git a/packages/dev-frontend/package.json b/packages/dev-frontend/package.json
index 8f4390d..f57c773 100644
--- a/packages/dev-frontend/package.json
+++ b/packages/dev-frontend/package.json
@@ -39,7 +39,7 @@
         "react-scripts": "4.0.3",
         "source-map-explorer": "2.5.2",
         "theme-ui": "0.6.0-canary.1544.5359f8a1e408a4dfeb74a9ae39688270286e534a.0",
-        "typescript": "4.1.5"
+        "typescript": "4.3.5"
     },
     "scripts": {
         "analyze": "source-map-explorer 'build/static/js/*.js'",
diff --git a/packages/fuzzer/package.json b/packages/fuzzer/package.json
index 679648a..d9bd631 100644
--- a/packages/fuzzer/package.json
+++ b/packages/fuzzer/package.json
@@ -11,7 +11,7 @@
     "dotenv": "^8.2.0",
     "ethers": "^5.3.0",
     "ts-node": "^9.0.0",
-    "typescript": "~4.1.0",
+    "typescript": "~4.3.5",
     "yargs": "^16.0.3"
   }
 }
diff --git a/packages/lib-base/package.json b/packages/lib-base/package.json
index 08add74..7a04f1f 100644
--- a/packages/lib-base/package.json
+++ b/packages/lib-base/package.json
@@ -35,6 +35,6 @@
     "mocha": "8.3.2",
     "npm-run-all": "4.1.5",
     "ts-node": "9.1.1",
-    "typescript": "4.1.5"
+    "typescript": "4.3.5"
   }
 }
diff --git a/packages/lib-ethers/package.json b/packages/lib-ethers/package.json
index 44ea674..cd5dfbc 100644
--- a/packages/lib-ethers/package.json
+++ b/packages/lib-ethers/package.json
@@ -63,7 +63,7 @@
     "hardhat": "2.1.1",
     "npm-run-all": "4.1.5",
     "ts-node": "9.1.1",
-    "typescript": "4.1.5",
+    "typescript": "4.3.5",
     "ws": "7.4.6"
   }
 }
diff --git a/packages/lib-react/package.json b/packages/lib-react/package.json
index 349c809..d14ddee 100644
--- a/packages/lib-react/package.json
+++ b/packages/lib-react/package.json
@@ -24,6 +24,6 @@
     "eslint-plugin-react-hooks": "4.2.0",
     "npm-run-all": "4.1.5",
     "react": "17.0.1",
-    "typescript": "4.1.5"
+    "typescript": "4.3.5"
   }
 }
diff --git a/packages/lib-subgraph/package.json b/packages/lib-subgraph/package.json
index 32c6801..0c698f7 100644
--- a/packages/lib-subgraph/package.json
+++ b/packages/lib-subgraph/package.json
@@ -18,7 +18,7 @@
     "apollo": "^2.30.3",
     "npm-run-all": "^4.1.5",
     "rimraf": "^3.0.2",
-    "typescript": "~4.1.0"
+    "typescript": "~4.3.5"
   },
   "dependencies": {
     "@apollo/client": "^3.3.12",
diff --git a/packages/providers/package.json b/packages/providers/package.json
index 492d847..59893e3 100644
--- a/packages/providers/package.json
+++ b/packages/providers/package.json
@@ -10,7 +10,7 @@
   "devDependencies": {
     "ethers": "^5.3.0",
     "ts-node": "^9.1.1",
-    "typescript": "~4.1.0"
+    "typescript": "~4.3.5"
   },
   "peerDependencies": {
     "ethers": "^5.3.0"
diff --git a/yarn.lock b/yarn.lock
index f7edc16..f645be7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -20496,7 +20496,12 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@4.1.5, typescript@~4.1.0, typescript@~4.1.3:
+typescript@4.3.5, typescript@~4.3.5:
+  version "4.3.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.5.tgz#4d1c37cc16e893973c45a06886b7113234f119f4"
+  integrity sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==
+
+typescript@~4.1.3:
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.5.tgz#123a3b214aaff3be32926f0d8f1f6e704eb89a72"
   integrity sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==
@@ -21027,10 +21032,8 @@ watchpack@^1.7.4:
   resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.7.5.tgz#1267e6c55e0b9b5be44c2023aed5437a2c26c453"
   integrity sha512-9P3MWk6SrKjHsGkLT2KHXdQ/9SNkyoJbabxnKOoJepsvJjJG8uYTR3yTPxPQvNDI3w4Nz1xnE0TLHK4RIVe/MQ==
   dependencies:
-    chokidar "^3.4.1"
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
-    watchpack-chokidar2 "^2.0.1"
   optionalDependencies:
     chokidar "^3.4.1"
     watchpack-chokidar2 "^2.0.1"