diff --git a/polkadot/scripts/gitlab/alert_pending_release.sh b/polkadot/scripts/gitlab/alert_pending_release.sh
index 958acbf5c6..d9798d0733 100755
--- a/polkadot/scripts/gitlab/alert_pending_release.sh
+++ b/polkadot/scripts/gitlab/alert_pending_release.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # structure_message $content $formatted_content (optional)
 structure_message() {