diff --git a/scripts/travis-build.sh b/scripts/travis-build.sh
index e0bb19a4..9744b768 100755
--- a/scripts/travis-build.sh
+++ b/scripts/travis-build.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -ex
 
diff --git a/scripts/travis-checkout.sh b/scripts/travis-checkout.sh
index f46e510d..e5b33324 100755
--- a/scripts/travis-checkout.sh
+++ b/scripts/travis-checkout.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 set -ex
 
 get_depot_tools() {