diff --git a/appengine/hello-world/app.yaml b/appengine/hello-world/app.yaml
index 5fee6617ab..e45ecec5e7 100644
--- a/appengine/hello-world/app.yaml
+++ b/appengine/hello-world/app.yaml
@@ -14,4 +14,5 @@
 # [START app_yaml]
 runtime: nodejs
 env: flex
+skip_files: yarn.lock 
 # [END app_yaml]