diff --git a/src/_dropdown.scss b/src/_dropdown.scss
index 8484704..7fbb3ce 100644
--- a/src/_dropdown.scss
+++ b/src/_dropdown.scss
@@ -1,6 +1,7 @@
 .select2-container--bootstrap-5 {
     // Dropdown
     .select2-dropdown {
+        z-index: 1056;
         border-color: $s2bs5-border-color;
         @include border-radius($s2bs5-border-radius);