diff --git a/Utils/github_workflow_scripts/send_slack_message.py b/Utils/github_workflow_scripts/send_slack_message.py
index 7cf7104938a7..2645e684b82b 100644
--- a/Utils/github_workflow_scripts/send_slack_message.py
+++ b/Utils/github_workflow_scripts/send_slack_message.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 from typing import List
 
 from slack_sdk import WebClient