diff --git a/.github/actions/install_deps.sh b/.github/actions/install_deps.sh
index a53f5f9a..3b0c0f98 100755
--- a/.github/actions/install_deps.sh
+++ b/.github/actions/install_deps.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 case `echo $1 | cut -d '-' -f 1` in
 	ubuntu)
 		sudo apt-get -qq update