diff --git a/hack/install-edge.sh b/hack/install-edge.sh
index 596bc6a..60ebdaa 100644
--- a/hack/install-edge.sh
+++ b/hack/install-edge.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 
 set -e # stop on error
 set -o pipefail