diff --git a/appengine/rails-hello_world/Gemfile.lock b/appengine/rails-hello_world/Gemfile.lock
index 18f3197ea..068f7912e 100644
--- a/appengine/rails-hello_world/Gemfile.lock
+++ b/appengine/rails-hello_world/Gemfile.lock
@@ -101,7 +101,7 @@ GEM
     date (3.3.4)
     diff-lcs (1.5.0)
     drb (2.2.3)
-    erb (5.0.2)
+    erb (6.0.1.1)
     erubi (1.13.0)
     ffi (1.15.5)
     globalid (1.2.1)