diff --git a/db/migrate/20180613151829_create_subscriptions.rb b/db/migrate/20180613151829_create_subscriptions.rb
index d5be371d2..ba9b347e9 100644
--- a/db/migrate/20180613151829_create_subscriptions.rb
+++ b/db/migrate/20180613151829_create_subscriptions.rb
@@ -3,6 +3,8 @@ def change
     create_table :subscriptions do |t|
       t.references :subscribable, polymorphic: true
       t.references :user, index: true, foreign_key: true
+
+      t.timestamps
     end
 
     add_index :subscriptions,