diff --git a/update_depot_tools b/update_depot_tools
index b4e6089bb..d8b1b7feb 100755
--- a/update_depot_tools
+++ b/update_depot_tools
@@ -1,5 +1,5 @@
-#!/usr/bin/env bash
-# Copyright (c) 2010 The Chromium Authors. All rights reserved.
+#!/bin/sh
+# Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.