diff --git a/install-k3d-cluster.sh b/install-k3d-cluster.sh
index 1a59d3ea..10d59fd1 100644
--- a/install-k3d-cluster.sh
+++ b/install-k3d-cluster.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -x