diff --git a/tsconfig.json b/tsconfig.json
index 02836cd8b..05c696b04 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -57,6 +57,7 @@
 
     /* Experimental Options */
     "experimentalDecorators": true,           /* Enables experimental support for ES7 decorators. */
-    "emitDecoratorMetadata": true             /* Enables experimental support for emitting type metadata for decorators. */
+    "emitDecoratorMetadata": true,            /* Enables experimental support for emitting type metadata for decorators. */
+    "exclude": ["cdk"]
   }
 }
diff --git a/webpack.config.js b/webpack.config.js
index 4ef601fbf..b878a8886 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -34,7 +34,7 @@ module.exports = (env) => ({
       {
         test: /\.tsx?$/,
         use: 'ts-loader',
-        exclude: [/node_modules/, /cdk/]
+        exclude: /node_modules/
       }
     ]
   },