diff --git a/bin/git-release b/bin/git-release
index e6869f9..5836cdf 100755
--- a/bin/git-release
+++ b/bin/git-release
@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
 hook() {
   local hook=.git/hooks/$1.sh
diff --git a/bin/git-sed b/bin/git-sed
index 966e643..f72f440 100755
--- a/bin/git-sed
+++ b/bin/git-sed
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 usage() {
     cat <<EOF