diff --git a/spec/initializers/net_http_spec.rb b/spec/initializers/net_http_spec.rb
index f19b83817f6766b434c3588fa2a1b144fd5953e4..fff297d760d9299cb47fd2ad7f6ba955111ed4e9 100644
--- a/spec/initializers/net_http_spec.rb
+++ b/spec/initializers/net_http_spec.rb
@@ -182,7 +182,8 @@ def wait_for_server(port, timeout: 5)
     end
 
     # Test with different HTTP methods
-    it 'raises InvalidResponseError on POST request returning 1xx' do
+    it 'raises InvalidResponseError on POST request returning 1xx',
+      quarantine: 'https://gitlab.com/gitlab-org/quality/test-failure-issues/-/issues/16441' do
       expect do
         uri = URI("http://localhost:4567/continue")
         Net::HTTP.post(uri, 'test data')