diff --git a/app/assets/stylesheets/pages/merge_requests.scss b/app/assets/stylesheets/pages/merge_requests.scss
index 7adf17dddb8248e1c56edd57c162bade4a487fb2..d48dec8fe7a7671768254a07f50b46a22d35411a 100644
--- a/app/assets/stylesheets/pages/merge_requests.scss
+++ b/app/assets/stylesheets/pages/merge_requests.scss
@@ -125,7 +125,7 @@
 
     .dropdown-menu {
       margin-top: 11px;
-      z-index: 200;
+      z-index: 300;
     }
 
     .ci-action-icon-wrapper {