diff --git a/ruby/ruby_on_rails_hello_world/helloworld/Gemfile.lock b/ruby/ruby_on_rails_hello_world/helloworld/Gemfile.lock
index b949392b..28e2a776 100644
--- a/ruby/ruby_on_rails_hello_world/helloworld/Gemfile.lock
+++ b/ruby/ruby_on_rails_hello_world/helloworld/Gemfile.lock
@@ -42,8 +42,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     archive-zip (0.11.0)
       io-like (~> 0.3.0)
     arel (9.0.0)
@@ -109,7 +109,7 @@ GEM
     nokogiri (1.12.5)
       mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
-    public_suffix (3.0.3)
+    public_suffix (4.0.7)
     puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.6.2)