diff --git a/lib/rack/contrib/subdomain_cookies.rb b/lib/rack/contrib/common_cookies.rb
similarity index 96%
rename from lib/rack/contrib/subdomain_cookies.rb
rename to lib/rack/contrib/common_cookies.rb
index f8682bd4..ad3e4de4 100644
--- a/lib/rack/contrib/subdomain_cookies.rb
+++ b/lib/rack/contrib/common_cookies.rb
@@ -1,6 +1,6 @@
 module Rack
   # Rack middleware to use the same cookies inside domain and all subdomains.
-  class SubdomainCookies
+  class CommonCookies
     DOMAIN_REGEXP = /([^.]*)\.([^.]*|..\...|...\...)$/
     LOCALHOST_OR_IP_REGEXP = /^([\d.]+(:\d+)?|localhost)$/