diff --git a/app/models/service.rb b/app/models/service.rb
index 1b64f013e..d331fb46c 100644
--- a/app/models/service.rb
+++ b/app/models/service.rb
@@ -12,4 +12,5 @@ class Service
   key :access_token, String
   key :access_secret, String
   key :nickname, String
+  timestamps!
 end