diff --git a/appsync-events-bedrock-cdk/demo-app/package.json b/appsync-events-bedrock-cdk/demo-app/package.json
index 0c8fc8f5a8..ccadbd9217 100644
--- a/appsync-events-bedrock-cdk/demo-app/package.json
+++ b/appsync-events-bedrock-cdk/demo-app/package.json
@@ -20,7 +20,7 @@
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",
     "@vitejs/plugin-react-swc": "^3.5.0",
-    "esbuild": "^0.24.0",
+    "esbuild": "^0.28.1",
     "eslint": "^9.13.0",
     "eslint-plugin-react-hooks": "^5.0.0",
     "eslint-plugin-react-refresh": "^0.4.14",
diff --git a/appsync-events-bedrock-cdk/package.json b/appsync-events-bedrock-cdk/package.json
index e72e8c336f..d4c3f8733a 100644
--- a/appsync-events-bedrock-cdk/package.json
+++ b/appsync-events-bedrock-cdk/package.json
@@ -22,7 +22,7 @@
     "@types/node": "22.7.9",
     "@types/ws": "^8.5.13",
     "aws-cdk": "^2.175.1",
-    "esbuild": "^0.24.0",
+    "esbuild": "^0.28.1",
     "jest": "^29.7.0",
     "ts-jest": "^29.2.5",
     "ts-node": "^10.9.2",
diff --git a/lambda-durable-managed-instances-cdk/package.json b/lambda-durable-managed-instances-cdk/package.json
index ab2e7d98b5..8e71c66c94 100644
--- a/lambda-durable-managed-instances-cdk/package.json
+++ b/lambda-durable-managed-instances-cdk/package.json
@@ -12,7 +12,7 @@
   "devDependencies": {
     "@types/node": "^25.5.0",
     "aws-cdk": "2.1115.0",
-    "esbuild": "^0.27.4",
+    "esbuild": "^0.28.1",
     "ts-node": "^10.9.2",
     "typescript": "~5.9.3"
   },