diff --git a/bin/checkdone.sh b/bin/checkdone.sh
index 97628891..668fa7c6 100755
--- a/bin/checkdone.sh
+++ b/bin/checkdone.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # -*- coding: utf-8 -*-
 # BSD 3-Clause License
 #
diff --git a/bin/test.sh b/bin/test.sh
index 22186090..c3e0f66b 100755
--- a/bin/test.sh
+++ b/bin/test.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # -*- coding: utf-8 -*-
 # BSD 3-Clause License
 #