diff --git a/ee/spec/lib/gitlab/llm/chain/tools/summarize_comments/executor_old_spec.rb b/ee/spec/lib/gitlab/llm/chain/tools/summarize_comments/executor_old_spec.rb
index 27c23be37ca0a043b2be770f11cb8bf96667f4ce..1916c33450faeff476d17fdffb2920acce106273 100644
--- a/ee/spec/lib/gitlab/llm/chain/tools/summarize_comments/executor_old_spec.rb
+++ b/ee/spec/lib/gitlab/llm/chain/tools/summarize_comments/executor_old_spec.rb
@@ -50,7 +50,7 @@
 
       context 'when user has permission to read resource' do
         context 'when resource has no comments to summarize' do
-          it 'responds without making an AI call' do
+          it 'responds without making an AI call', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/472965' do
             expect(tool).not_to receive(:request)
 
             response = "Issue ##{issue1.iid} has no comments to be summarized."