diff --git a/.npmignore b/.npmignore
index a60008c..5b14b21 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,4 +1,5 @@
 # ~~ Generated by projen. To modify, edit .projenrc.ts and run "npx projen".
+/example/lambda/node_modules
 /.projen/
 /test-reports/
 junit.xml
diff --git a/.projenrc.ts b/.projenrc.ts
index c0da7f5..9ba405b 100644
--- a/.projenrc.ts
+++ b/.projenrc.ts
@@ -15,6 +15,9 @@ const project = new awscdk.AwsCdkConstructLibrary({
     dirs: [],
     ignorePatterns: ['example/**/*', 'test/assets/**/*', 'test/*.snapshot/**/*', '*.d.ts'],
   },
+  npmIgnoreOptions: {
+    ignorePatterns: ['/example/lambda/node_modules'],
+  },
   gitignore: ['*.js', '*.d.ts', '!test/.*.snapshot/**/*', '.tmp'],
   keywords: ['aws', 'cdk', 'lambda', 'aws-cdk'],
   tsconfigDev: {