diff --git a/examples/rails/Gemfile b/examples/rails/Gemfile
index 5d77ce6..a059b26 100644
--- a/examples/rails/Gemfile
+++ b/examples/rails/Gemfile
@@ -9,7 +9,7 @@ ruby '3.0.0'
 gem 'rails', '~> 6.0.2'
 
 # Server
-gem 'puma', '~> 5.6.4'
+gem 'puma', '~> 5.6.7'
 
 # Messaging via GCP Pub/Sub
 gem 'cloudenvoy', path: '../../'
diff --git a/examples/rails/Gemfile.lock b/examples/rails/Gemfile.lock
index ecb6df8..209c197 100644
--- a/examples/rails/Gemfile.lock
+++ b/examples/rails/Gemfile.lock
@@ -154,13 +154,13 @@ GEM
     minitest (5.17.0)
     multi_json (1.15.0)
     multipart-post (2.1.1)
-    nio4r (2.5.8)
+    nio4r (2.5.9)
     nokogiri (1.14.3)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     os (1.1.4)
     public_suffix (4.0.6)
-    puma (5.6.4)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.6.4)
@@ -222,7 +222,7 @@ PLATFORMS
 
 DEPENDENCIES
   cloudenvoy!
-  puma (~> 5.6.4)
+  puma (~> 5.6.7)
   rails (~> 6.0.2)
   sqlite3