diff --git a/appengine/standard-rails-hello-world/Gemfile.lock b/appengine/standard-rails-hello-world/Gemfile.lock
index 96e6c5de4..e5bb5276c 100644
--- a/appengine/standard-rails-hello-world/Gemfile.lock
+++ b/appengine/standard-rails-hello-world/Gemfile.lock
@@ -66,8 +66,8 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.5)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     bindex (0.8.1)
     builder (3.2.4)
     byebug (11.1.3)
@@ -123,7 +123,7 @@ GEM
     nokogiri (1.16.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    public_suffix (5.0.3)
+    public_suffix (7.0.5)
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.7.3)