diff --git a/app/models/inbox.rb b/app/models/inbox.rb
index ada94803..96f3dc84 100644
--- a/app/models/inbox.rb
+++ b/app/models/inbox.rb
@@ -14,16 +14,16 @@ class Inbox < ApplicationRecord
   end
 
   after_create do
-    user.touch(:inbox_updated_at)
+    user.touch(:inbox_updated_at) # rubocop:disable Rails/SkipsModelValidations
   end
 
   after_update do
-    user.touch(:inbox_updated_at)
+    user.touch(:inbox_updated_at) # rubocop:disable Rails/SkipsModelValidations
   end
 
   after_destroy do
     # user might not exist at this point (account deleted, records are cleaned up async)
-    user&.touch(:inbox_updated_at)
+    user&.touch(:inbox_updated_at) # rubocop:disable Rails/SkipsModelValidations
   end
 
   def answer(answer_content, user)