diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 0ba3789f0..5f9499f6a 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -21,7 +21,7 @@ module Mastodon
     end
 
     def suffix
-      '+闭社'
+      '+cs'
     end
 
     def to_a