diff --git a/build b/build
index 29f78a43..3425fe40 100755
--- a/build
+++ b/build
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 #  generic build script, for building components (all of them)
 #
diff --git a/update b/update
index ff18394b..28ea6559 100755
--- a/update
+++ b/update
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 #  generic update scripts for updating configs and such
 #