diff --git a/packages/aws-cdk/package.json b/packages/aws-cdk/package.json
index 6f030f1c5ff22..2625a081b949f 100644
--- a/packages/aws-cdk/package.json
+++ b/packages/aws-cdk/package.json
@@ -86,7 +86,7 @@
     "source-map-support": "^0.5.16",
     "table": "^5.4.6",
     "uuid": "^7.0.2",
-    "yaml": "^1.8.0",
+    "yaml": "^1.8.1",
     "yargs": "^15.3.0"
   },
   "repository": {
diff --git a/packages/cdk-dasm/package.json b/packages/cdk-dasm/package.json
index dc0ee1bfbe3da..c2fb209c63b06 100644
--- a/packages/cdk-dasm/package.json
+++ b/packages/cdk-dasm/package.json
@@ -27,7 +27,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "codemaker": "^1.1.0",
-    "yaml": "1.8.0"
+    "yaml": "1.8.1"
   },
   "devDependencies": {
     "@types/jest": "^25.1.4",
diff --git a/packages/decdk/package.json b/packages/decdk/package.json
index c441a741d1759..83e0241b63c74 100644
--- a/packages/decdk/package.json
+++ b/packages/decdk/package.json
@@ -166,7 +166,7 @@
     "fs-extra": "^8.1.0",
     "jsii-reflect": "^1.0.0",
     "jsonschema": "^1.2.5",
-    "yaml": "1.8.0",
+    "yaml": "1.8.1",
     "yargs": "^15.3.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 85216178b6189..0aeb619cc174f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12180,10 +12180,10 @@ yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
   integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
 
-yaml@1.8.0, yaml@^1.8.0:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/yaml/-/yaml-1.8.0.tgz#169fbcfa2081302dc9441d02b0b6fe667e4f74c9"
-  integrity sha512-6qI/tTx7OVtA4qNqD0OyutbM6Z9EKu4rxWm/2Y3FDEBQ4/2X2XAnyuRXMzAE2+1BPyqzksJZtrIwblOHg0IEzA==
+yaml@1.8.1, yaml@^1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/yaml/-/yaml-1.8.1.tgz#3a8cdb877ec9da2350f22b476a117e28e30069d8"
+  integrity sha512-vIXHJILY3e2Ru5s+hFwmO0fSHo0zm30AJ/eBaIUd/54xVocvjzix4bPOtjIGxKm5VDSOt5psTKW6CEv3WHzWdg==
   dependencies:
     "@babel/runtime" "^7.8.7"