diff --git a/app/observers/project_activity_cache_observer.rb b/app/observers/project_activity_cache_observer.rb
index 2aa5872da64..96ced90db80 100644
--- a/app/observers/project_activity_cache_observer.rb
+++ b/app/observers/project_activity_cache_observer.rb
@@ -2,7 +2,7 @@ class ProjectActivityCacheObserver < BaseObserver
   observe :event
 
   def after_create(event)
-    event.project.update_attribute(:last_activity_at, event.created_at) if event.project
+    event.project.update_column(:last_activity_at, event.created_at) if event.project
   end
 end