diff --git a/spec/features/projects/blobs/edit_spec.rb b/spec/features/projects/blobs/edit_spec.rb
index 38b8aa46aaf5196c084b2945ac0814cd124463b5..59c1d93d2ed5ffca67c9ad3f4c9d77a95f2f259a 100644
--- a/spec/features/projects/blobs/edit_spec.rb
+++ b/spec/features/projects/blobs/edit_spec.rb
@@ -119,7 +119,7 @@ def has_toolbar_buttons
         visit project_blob_path(project, tree_join(branch, file_path))
       end
 
-      it 'updates content' do
+      it 'updates content', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/511421' do
         edit_and_commit
 
         expect(page).to have_content 'committed successfully.'