diff --git a/packages/@aws-cdk/assert/package.json b/packages/@aws-cdk/assert/package.json
index cb651d3ba12df..f1cd27e70af99 100644
--- a/packages/@aws-cdk/assert/package.json
+++ b/packages/@aws-cdk/assert/package.json
@@ -21,7 +21,7 @@
   },
   "license": "Apache-2.0",
   "devDependencies": {
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "cdk-build-tools": "0.0.0",
     "jest": "^26.6.3",
     "pkglint": "0.0.0",
diff --git a/packages/@aws-cdk/aws-dynamodb/package.json b/packages/@aws-cdk/aws-dynamodb/package.json
index 25dd08d054ce4..00016381bc04c 100644
--- a/packages/@aws-cdk/aws-dynamodb/package.json
+++ b/packages/@aws-cdk/aws-dynamodb/package.json
@@ -74,7 +74,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@aws-cdk/assert": "0.0.0",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "aws-sdk": "^2.804.0",
     "aws-sdk-mock": "^5.1.0",
     "cdk-build-tools": "0.0.0",
diff --git a/packages/@aws-cdk/aws-s3-deployment/package.json b/packages/@aws-cdk/aws-s3-deployment/package.json
index 696bdf08cd5b3..0d2b6627c2349 100644
--- a/packages/@aws-cdk/aws-s3-deployment/package.json
+++ b/packages/@aws-cdk/aws-s3-deployment/package.json
@@ -85,7 +85,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@aws-cdk/assert": "0.0.0",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "cdk-build-tools": "0.0.0",
     "cdk-integ-tools": "0.0.0",
     "jest": "^26.6.3",
diff --git a/packages/@aws-cdk/aws-sam/package.json b/packages/@aws-cdk/aws-sam/package.json
index 05e50e259af14..61fae25e77818 100644
--- a/packages/@aws-cdk/aws-sam/package.json
+++ b/packages/@aws-cdk/aws-sam/package.json
@@ -75,7 +75,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@aws-cdk/assert": "0.0.0",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "cdk-build-tools": "0.0.0",
     "cfn2ts": "0.0.0",
     "jest": "^26.6.3",
diff --git a/packages/@aws-cdk/cdk-assets-schema/package.json b/packages/@aws-cdk/cdk-assets-schema/package.json
index 8945cd066da2c..9d44a1b9221bf 100644
--- a/packages/@aws-cdk/cdk-assets-schema/package.json
+++ b/packages/@aws-cdk/cdk-assets-schema/package.json
@@ -52,7 +52,7 @@
   },
   "license": "Apache-2.0",
   "devDependencies": {
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "cdk-build-tools": "0.0.0",
     "jest": "^26.6.3",
     "pkglint": "0.0.0"
diff --git a/packages/@aws-cdk/cloud-assembly-schema/package.json b/packages/@aws-cdk/cloud-assembly-schema/package.json
index 1f5489ce20b18..0f7ba54880d1e 100644
--- a/packages/@aws-cdk/cloud-assembly-schema/package.json
+++ b/packages/@aws-cdk/cloud-assembly-schema/package.json
@@ -60,7 +60,7 @@
   },
   "license": "Apache-2.0",
   "devDependencies": {
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/mock-fs": "^4.13.0",
     "cdk-build-tools": "0.0.0",
     "jest": "^26.6.3",
diff --git a/packages/@aws-cdk/cloudformation-diff/package.json b/packages/@aws-cdk/cloudformation-diff/package.json
index 1f0284428620e..113bec0240701 100644
--- a/packages/@aws-cdk/cloudformation-diff/package.json
+++ b/packages/@aws-cdk/cloudformation-diff/package.json
@@ -29,7 +29,7 @@
     "table": "^6.0.4"
   },
   "devDependencies": {
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/string-width": "^4.0.1",
     "@types/table": "^5.0.0",
     "cdk-build-tools": "0.0.0",
diff --git a/packages/@aws-cdk/cloudformation-include/package.json b/packages/@aws-cdk/cloudformation-include/package.json
index b0afdaaeb368b..b470a5466d7ae 100644
--- a/packages/@aws-cdk/cloudformation-include/package.json
+++ b/packages/@aws-cdk/cloudformation-include/package.json
@@ -340,7 +340,7 @@
   },
   "devDependencies": {
     "@aws-cdk/assert": "0.0.0",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "cdk-build-tools": "0.0.0",
     "cdk-integ-tools": "0.0.0",
     "jest": "^26.6.3",
diff --git a/packages/@aws-cdk/cx-api/package.json b/packages/@aws-cdk/cx-api/package.json
index e21884db8398c..541ecd841f74b 100644
--- a/packages/@aws-cdk/cx-api/package.json
+++ b/packages/@aws-cdk/cx-api/package.json
@@ -66,7 +66,7 @@
   },
   "license": "Apache-2.0",
   "devDependencies": {
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/mock-fs": "^4.13.0",
     "@types/semver": "^7.3.4",
     "cdk-build-tools": "0.0.0",
diff --git a/packages/@aws-cdk/yaml-cfn/package.json b/packages/@aws-cdk/yaml-cfn/package.json
index 873f32ac59a96..d462dd0084f30 100644
--- a/packages/@aws-cdk/yaml-cfn/package.json
+++ b/packages/@aws-cdk/yaml-cfn/package.json
@@ -69,7 +69,7 @@
   },
   "devDependencies": {
     "@aws-cdk/assert": "0.0.0",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/yaml": "^1.9.7",
     "cdk-build-tools": "0.0.0",
     "jest": "^26.6.3",
diff --git a/packages/@monocdk-experiment/assert/package.json b/packages/@monocdk-experiment/assert/package.json
index 92c854ef290a7..05362bfb1b13c 100644
--- a/packages/@monocdk-experiment/assert/package.json
+++ b/packages/@monocdk-experiment/assert/package.json
@@ -34,7 +34,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@monocdk-experiment/rewrite-imports": "0.0.0",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/node": "^10.17.48",
     "cdk-build-tools": "0.0.0",
     "constructs": "^3.2.0",
diff --git a/packages/@monocdk-experiment/rewrite-imports/package.json b/packages/@monocdk-experiment/rewrite-imports/package.json
index ee88c8d1f9074..038ce7f3f08d6 100644
--- a/packages/@monocdk-experiment/rewrite-imports/package.json
+++ b/packages/@monocdk-experiment/rewrite-imports/package.json
@@ -37,7 +37,7 @@
   },
   "devDependencies": {
     "@types/glob": "^7.1.3",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/node": "^10.17.48",
     "cdk-build-tools": "0.0.0",
     "pkglint": "0.0.0"
diff --git a/packages/aws-cdk/package.json b/packages/aws-cdk/package.json
index b64d83e4ec133..3826a5c78d5e4 100644
--- a/packages/aws-cdk/package.json
+++ b/packages/aws-cdk/package.json
@@ -42,7 +42,7 @@
     "@types/archiver": "^5.1.0",
     "@types/fs-extra": "^8.1.1",
     "@types/glob": "^7.1.3",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/minimatch": "^3.0.3",
     "@types/mockery": "^1.4.29",
     "@types/node": "^10.17.48",
diff --git a/packages/cdk-assets/package.json b/packages/cdk-assets/package.json
index d5474607e63f1..50cbfe0aa8a77 100644
--- a/packages/cdk-assets/package.json
+++ b/packages/cdk-assets/package.json
@@ -32,7 +32,7 @@
   "devDependencies": {
     "@types/archiver": "^5.1.0",
     "@types/glob": "^7.1.3",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/jszip": "^3.4.1",
     "@types/mock-fs": "^4.13.0",
     "@types/node": "^10.17.48",
diff --git a/packages/cdk-dasm/package.json b/packages/cdk-dasm/package.json
index ca73297f8f386..46bc176de810a 100644
--- a/packages/cdk-dasm/package.json
+++ b/packages/cdk-dasm/package.json
@@ -30,7 +30,7 @@
     "yaml": "1.10.0"
   },
   "devDependencies": {
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/yaml": "1.9.7",
     "jest": "^26.6.3"
   },
diff --git a/packages/decdk/package.json b/packages/decdk/package.json
index f32367e7265ea..5800d8eac994f 100644
--- a/packages/decdk/package.json
+++ b/packages/decdk/package.json
@@ -203,7 +203,7 @@
   },
   "devDependencies": {
     "@types/fs-extra": "^8.1.1",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/yaml": "1.9.7",
     "@types/yargs": "^15.0.10",
     "jest": "^26.6.3",
diff --git a/tools/cdk-build-tools/package.json b/tools/cdk-build-tools/package.json
index e5b2b0c5f8479..1a67deba7ac37 100644
--- a/tools/cdk-build-tools/package.json
+++ b/tools/cdk-build-tools/package.json
@@ -34,7 +34,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@types/fs-extra": "^8.1.1",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/yargs": "^15.0.10",
     "pkglint": "0.0.0"
   },
diff --git a/tools/cfn2ts/package.json b/tools/cfn2ts/package.json
index 785d1a52c18b0..ab3a9da52a6e3 100644
--- a/tools/cfn2ts/package.json
+++ b/tools/cfn2ts/package.json
@@ -37,7 +37,7 @@
   },
   "devDependencies": {
     "@types/fs-extra": "^8.1.1",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/yargs": "^15.0.10",
     "cdk-build-tools": "0.0.0",
     "jest": "^26.6.3",
diff --git a/tools/eslint-plugin-cdk/package.json b/tools/eslint-plugin-cdk/package.json
index fa6a38426ec20..820c557678bd3 100644
--- a/tools/eslint-plugin-cdk/package.json
+++ b/tools/eslint-plugin-cdk/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "@types/eslint": "^7.2.6",
     "@types/fs-extra": "^8.1.1",
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/node": "^10.17.48",
     "eslint-plugin-rulesdir": "^0.1.0",
     "jest": "^26.6.3",
diff --git a/tools/nodeunit-shim/package.json b/tools/nodeunit-shim/package.json
index c0a9838437477..bc0e038a2731d 100644
--- a/tools/nodeunit-shim/package.json
+++ b/tools/nodeunit-shim/package.json
@@ -12,7 +12,7 @@
     "build+test": "npm run build && npm test"
   },
   "devDependencies": {
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/node": "^10.17.48",
     "typescript": "~3.9.7"
   },
diff --git a/tools/yarn-cling/package.json b/tools/yarn-cling/package.json
index aefba13ff8ee0..ed6609d3b4c95 100644
--- a/tools/yarn-cling/package.json
+++ b/tools/yarn-cling/package.json
@@ -38,7 +38,7 @@
     ]
   },
   "devDependencies": {
-    "@types/jest": "^26.0.15",
+    "@types/jest": "^26.0.18",
     "@types/node": "^10.17.48",
     "@types/yarnpkg__lockfile": "^1.1.4",
     "jest": "^26.6.3",
diff --git a/yarn.lock b/yarn.lock
index d838b8d976915..8f7c9431424af 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1591,10 +1591,10 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@26.x", "@types/jest@^26.0.15":
-  version "26.0.15"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.15.tgz#12e02c0372ad0548e07b9f4e19132b834cb1effe"
-  integrity sha512-s2VMReFXRg9XXxV+CW9e5Nz8fH2K1aEhwgjUqPPbQd7g95T0laAcvLv032EhFHIa5GHsZ8W7iJEQVaJq6k3Gog==
+"@types/jest@26.x", "@types/jest@^26.0.18":
+  version "26.0.18"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.18.tgz#3c5f9228e9ac15bd42f903f1acf2ad6ea5ed73d9"
+  integrity sha512-scDPs+mELZgsFetTgBSsIxKGrlitn9t/d2ecP+S1QSIGD+31fkMBEftLfOAX5k3tU06/0PjreJIQ+gWEbbHqpw==
   dependencies:
     jest-diff "^26.0.0"
     pretty-format "^26.0.0"