diff --git a/loop/update_tests.sh b/loop/update_tests.sh
index 1e78edd..ab5e2e0 100755
--- a/loop/update_tests.sh
+++ b/loop/update_tests.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 CURRENT_DIR=$(pwd)