diff --git a/src/framework/theme/components/cdk/overlay/_overlay.theme.scss b/src/framework/theme/components/cdk/overlay/_overlay.theme.scss
index 5a487f936f..3967308bd9 100644
--- a/src/framework/theme/components/cdk/overlay/_overlay.theme.scss
+++ b/src/framework/theme/components/cdk/overlay/_overlay.theme.scss
@@ -4,4 +4,8 @@
   .overlay-backdrop {
     background: nb-theme(overlay-backdrop-bg);
   }
+
+  .cdk-overlay-container {
+    z-index: 1040;
+  }
 }