diff --git a/packages/@aws-cdk/assets/package.json b/packages/@aws-cdk/assets/package.json
index 79c94b9d75d8d..ab473771fc775 100644
--- a/packages/@aws-cdk/assets/package.json
+++ b/packages/@aws-cdk/assets/package.json
@@ -72,7 +72,7 @@
     "cdk-integ-tools": "1.21.0",
     "nodeunit": "^0.11.3",
     "pkglint": "1.21.0",
-    "sinon": "^8.0.4",
+    "sinon": "^8.1.0",
     "ts-mock-imports": "^1.2.6"
   },
   "dependencies": {
diff --git a/packages/@aws-cdk/aws-lambda/package.json b/packages/@aws-cdk/aws-lambda/package.json
index ac24ec0981346..b3d12dcf9c4d2 100644
--- a/packages/@aws-cdk/aws-lambda/package.json
+++ b/packages/@aws-cdk/aws-lambda/package.json
@@ -80,7 +80,7 @@
     "nock": "^11.7.2",
     "nodeunit": "^0.11.3",
     "pkglint": "1.21.0",
-    "sinon": "^8.0.4"
+    "sinon": "^8.1.0"
   },
   "dependencies": {
     "@aws-cdk/aws-cloudwatch": "1.21.0",
diff --git a/packages/@aws-cdk/aws-s3-assets/package.json b/packages/@aws-cdk/aws-s3-assets/package.json
index ed74c3f9c85ac..f89a35cc4bd63 100644
--- a/packages/@aws-cdk/aws-s3-assets/package.json
+++ b/packages/@aws-cdk/aws-s3-assets/package.json
@@ -67,7 +67,7 @@
     "cdk-integ-tools": "1.21.0",
     "nodeunit": "^0.11.3",
     "pkglint": "1.21.0",
-    "sinon": "^8.0.4",
+    "sinon": "^8.1.0",
     "ts-mock-imports": "^1.2.6"
   },
   "dependencies": {
diff --git a/packages/@aws-cdk/custom-resources/package.json b/packages/@aws-cdk/custom-resources/package.json
index 1f711ba3025f6..bf96e4b295009 100644
--- a/packages/@aws-cdk/custom-resources/package.json
+++ b/packages/@aws-cdk/custom-resources/package.json
@@ -81,7 +81,7 @@
     "fs-extra": "^8.1.0",
     "nock": "^11.7.2",
     "pkglint": "1.21.0",
-    "sinon": "^8.0.4"
+    "sinon": "^8.1.0"
   },
   "dependencies": {
     "@aws-cdk/aws-cloudformation": "1.21.0",
diff --git a/packages/aws-cdk/package.json b/packages/aws-cdk/package.json
index 73620108c970a..64f8e8b2f46fb 100644
--- a/packages/aws-cdk/package.json
+++ b/packages/aws-cdk/package.json
@@ -61,7 +61,7 @@
     "jszip": "^3.2.2",
     "mockery": "^2.1.0",
     "pkglint": "1.21.0",
-    "sinon": "^8.0.4",
+    "sinon": "^8.1.0",
     "ts-jest": "^24.3.0"
   },
   "dependencies": {
diff --git a/yarn.lock b/yarn.lock
index 06404341aec24..b6d26f612df2f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1207,10 +1207,10 @@
     "@sinonjs/commons" "^1"
     "@sinonjs/samsam" "^4.2.0"
 
-"@sinonjs/samsam@^4.2.0", "@sinonjs/samsam@^4.2.1":
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-4.2.1.tgz#cee77dc95f8d00339633e1683e026f2d73ed1d3a"
-  integrity sha512-7+5S4C4wpug5pzHS+z/63+XUwsH7dtyYELDafoT1QnfruFh7eFjlDWwZXltUB0GLk6y5eMeAt34Bjx8wJ4KfSA==
+"@sinonjs/samsam@^4.2.0", "@sinonjs/samsam@^4.2.2":
+  version "4.2.2"
+  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-4.2.2.tgz#0f6cb40e467865306d8a20a97543a94005204e23"
+  integrity sha512-z9o4LZUzSD9Hl22zV38aXNykgFeVj8acqfFabCY6FY83n/6s/XwNJyYYldz6/9lBJanpno9h+oL6HTISkviweA==
   dependencies:
     "@sinonjs/commons" "^1.6.0"
     lodash.get "^4.4.2"
@@ -7897,15 +7897,15 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
   integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
 
-sinon@^8.0.1, sinon@^8.0.4:
-  version "8.0.4"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-8.0.4.tgz#eb13242fa50bf876c54e88bdc96f281a0dd08a53"
-  integrity sha512-cFsmgmvsgFb87e7SV7IcekogITlHX2KmlplyI9Pda0FH1Z8Ms/kWbpLs25Idp0m6ZJ3HEEjhaYYXbcTtWWUn4w==
+sinon@^8.0.1, sinon@^8.1.0:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-8.1.0.tgz#30f82371ac6e7d4dccb77fa1525f5ea748c636ff"
+  integrity sha512-6/05TR+8QhEgTbyMWaConm8iPL609Eno7SqToPq63wC/jS/6NMEI4NxqtzlLkk3r/KcZT9xPXQodH0oJ917Hbg==
   dependencies:
     "@sinonjs/commons" "^1.7.0"
     "@sinonjs/formatio" "^4.0.1"
-    "@sinonjs/samsam" "^4.2.1"
-    diff "^4.0.1"
+    "@sinonjs/samsam" "^4.2.2"
+    diff "^4.0.2"
     lolex "^5.1.2"
     nise "^3.0.1"
     supports-color "^7.1.0"