diff --git a/script/bootstrap b/script/bootstrap
index b8d5a918..9d9a78be 100755
--- a/script/bootstrap
+++ b/script/bootstrap
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -x
 set -e
diff --git a/script/console b/script/console
index ffe2c704..11212502 100755
--- a/script/console
+++ b/script/console
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -x
 set -e
diff --git a/script/server b/script/server
index 9dea5283..37834ab3 100755
--- a/script/server
+++ b/script/server
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -x
 set -e
diff --git a/script/test b/script/test
index fb456593..31beaa20 100755
--- a/script/test
+++ b/script/test
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -x
 set -e
diff --git a/script/update b/script/update
index 1e92daf3..e943af30 100755
--- a/script/update
+++ b/script/update
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -x
 set -e