diff --git a/backend/app/model/ark_name.rb b/backend/app/model/ark_name.rb
index 8e0af1291..d01964581 100644
--- a/backend/app/model/ark_name.rb
+++ b/backend/app/model/ark_name.rb
@@ -105,6 +105,8 @@ class ArkName < Sequel::Model(:ark_name)
 
     check_unique(db, obj)
 
+    obj.class.update_mtime_for_ids([obj.id])
+
     true
   end