diff --git a/packages/@aws-cdk/assert/package.json b/packages/@aws-cdk/assert/package.json
index bab4a3d1dd077..1ad7d397c5c6f 100644
--- a/packages/@aws-cdk/assert/package.json
+++ b/packages/@aws-cdk/assert/package.json
@@ -25,7 +25,7 @@
     "cdk-build-tools": "0.0.0",
     "jest": "^25.5.4",
     "pkglint": "0.0.0",
-    "ts-jest": "^26.0.0"
+    "ts-jest": "^26.1.0"
   },
   "dependencies": {
     "@aws-cdk/cloudformation-diff": "0.0.0",
diff --git a/packages/@aws-cdk/aws-dynamodb/package.json b/packages/@aws-cdk/aws-dynamodb/package.json
index 2b06e10f822bc..65075f253bcff 100644
--- a/packages/@aws-cdk/aws-dynamodb/package.json
+++ b/packages/@aws-cdk/aws-dynamodb/package.json
@@ -73,7 +73,7 @@
     "jest": "^25.5.4",
     "pkglint": "0.0.0",
     "sinon": "^9.0.2",
-    "ts-jest": "^26.0.0"
+    "ts-jest": "^26.1.0"
   },
   "dependencies": {
     "@aws-cdk/aws-applicationautoscaling": "0.0.0",
diff --git a/packages/@aws-cdk/aws-sam/package.json b/packages/@aws-cdk/aws-sam/package.json
index 9f13bd373b5d0..e61c29fcf3d35 100644
--- a/packages/@aws-cdk/aws-sam/package.json
+++ b/packages/@aws-cdk/aws-sam/package.json
@@ -70,7 +70,7 @@
     "cfn2ts": "0.0.0",
     "jest": "^25.5.4",
     "pkglint": "0.0.0",
-    "ts-jest": "^26.0.0"
+    "ts-jest": "^26.1.0"
   },
   "dependencies": {
     "@aws-cdk/core": "0.0.0",
diff --git a/packages/@aws-cdk/cloudformation-diff/package.json b/packages/@aws-cdk/cloudformation-diff/package.json
index f54b98f3d193b..bb31931b64aac 100644
--- a/packages/@aws-cdk/cloudformation-diff/package.json
+++ b/packages/@aws-cdk/cloudformation-diff/package.json
@@ -36,7 +36,7 @@
     "fast-check": "^1.24.2",
     "jest": "^25.5.4",
     "pkglint": "0.0.0",
-    "ts-jest": "^26.0.0"
+    "ts-jest": "^26.1.0"
   },
   "repository": {
     "url": "https://github.com/aws/aws-cdk.git",
diff --git a/packages/@aws-cdk/cloudformation-include/package.json b/packages/@aws-cdk/cloudformation-include/package.json
index 5389145c4941a..bf3be1afd8d19 100644
--- a/packages/@aws-cdk/cloudformation-include/package.json
+++ b/packages/@aws-cdk/cloudformation-include/package.json
@@ -307,7 +307,7 @@
     "cdk-build-tools": "0.0.0",
     "jest": "^25.4.0",
     "pkglint": "0.0.0",
-    "ts-jest": "^26.0.0"
+    "ts-jest": "^26.1.0"
   },
   "bundledDependencies": [
     "yaml"
diff --git a/packages/@monocdk-experiment/assert/package.json b/packages/@monocdk-experiment/assert/package.json
index ebd3b55c4681b..5da40f1a0097f 100644
--- a/packages/@monocdk-experiment/assert/package.json
+++ b/packages/@monocdk-experiment/assert/package.json
@@ -41,7 +41,7 @@
     "cdk-build-tools": "0.0.0",
     "jest": "^25.5.4",
     "pkglint": "0.0.0",
-    "ts-jest": "^26.0.0",
+    "ts-jest": "^26.1.0",
     "@monocdk-experiment/rewrite-imports": "0.0.0",
     "monocdk-experiment": "0.0.0",
     "constructs": "^3.0.2"
diff --git a/packages/aws-cdk/package.json b/packages/aws-cdk/package.json
index 79c5d949040ae..cec9c904d18d9 100644
--- a/packages/aws-cdk/package.json
+++ b/packages/aws-cdk/package.json
@@ -61,7 +61,7 @@
     "mockery": "^2.1.0",
     "pkglint": "0.0.0",
     "sinon": "^9.0.2",
-    "ts-jest": "^26.0.0",
+    "ts-jest": "^26.1.0",
     "ts-mock-imports": "^1.2.6"
   },
   "dependencies": {
diff --git a/tools/cdk-build-tools/package.json b/tools/cdk-build-tools/package.json
index f66bf5459c3ea..b8ff407bc883f 100644
--- a/tools/cdk-build-tools/package.json
+++ b/tools/cdk-build-tools/package.json
@@ -53,7 +53,7 @@
     "jsii-pacmak": "^1.6.0",
     "nodeunit": "^0.11.3",
     "nyc": "^15.0.1",
-    "ts-jest": "^26.0.0",
+    "ts-jest": "^26.1.0",
     "tslint": "^5.20.1",
     "typescript": "~3.8.3",
     "yargs": "^15.3.1",
diff --git a/yarn.lock b/yarn.lock
index 4c56b7dbcbe35..104cf74c0ae1c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9437,10 +9437,10 @@ trivial-deferred@^1.0.1:
   resolved "https://registry.yarnpkg.com/trivial-deferred/-/trivial-deferred-1.0.1.tgz#376d4d29d951d6368a6f7a0ae85c2f4d5e0658f3"
   integrity sha1-N21NKdlR1jaKb3oK6FwvTV4GWPM=
 
-ts-jest@^26.0.0:
-  version "26.0.0"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.0.0.tgz#957b802978249aaf74180b9dcb17b4fd787ad6f3"
-  integrity sha512-eBpWH65mGgzobuw7UZy+uPP9lwu+tPp60o324ASRX4Ijg8UC5dl2zcge4kkmqr2Zeuk9FwIjvCTOPuNMEyGWWw==
+ts-jest@^26.1.0:
+  version "26.1.0"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.1.0.tgz#e9070fc97b3ea5557a48b67c631c74eb35e15417"
+  integrity sha512-JbhQdyDMYN5nfKXaAwCIyaWLGwevcT2/dbqRPsQeh6NZPUuXjZQZEfeLb75tz0ubCIgEELNm6xAzTe5NXs5Y4Q==
   dependencies:
     bs-logger "0.x"
     buffer-from "1.x"