diff --git a/app/assets/stylesheets/shared/dropdown_selector.scss b/app/assets/stylesheets/shared/dropdown_selector.scss
index a102641f6..ef119838a 100644
--- a/app/assets/stylesheets/shared/dropdown_selector.scss
+++ b/app/assets/stylesheets/shared/dropdown_selector.scss
@@ -141,7 +141,7 @@
     transition: .2s;
     transition-property: top, bottom, box-shadow;
     width: 100%;
-    z-index: 100;
+    z-index: 999;
 
     .empty-dropdown {
       opacity: .6;