diff --git a/app/javascript/src/styles/common/notices.scss b/app/javascript/src/styles/common/notices.scss
index 8ad56a777..7d415fc77 100644
--- a/app/javascript/src/styles/common/notices.scss
+++ b/app/javascript/src/styles/common/notices.scss
@@ -14,7 +14,7 @@ div#notice {
   top: 1em;
   left: 25%;
   width: 50%;
-  z-index: 100;
+  z-index: 9999;
 
   a#close-notice-link {
     position: absolute;