diff --git a/.github/scripts/m1_script.sh b/.github/scripts/m1_script.sh
index 55afbea60..2df580b58 100644
--- a/.github/scripts/m1_script.sh
+++ b/.github/scripts/m1_script.sh
@@ -1 +1,3 @@
+#!/bin/bash
+
 export BUILD_VERSION=0.2.0