diff --git a/dts/scripts/cronjob b/dts/scripts/cronjob
index b7511e4..ccdbc06 100755
--- a/dts/scripts/cronjob
+++ b/dts/scripts/cronjob
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 
 set -e
 
diff --git a/dts/scripts/index-filter.sh b/dts/scripts/index-filter.sh
index c301fce..9610855 100755
--- a/dts/scripts/index-filter.sh
+++ b/dts/scripts/index-filter.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 
 set -e
 set -o pipefail
diff --git a/dts/scripts/merge-new-release.sh b/dts/scripts/merge-new-release.sh
index 554b97b..a2763c6 100755
--- a/dts/scripts/merge-new-release.sh
+++ b/dts/scripts/merge-new-release.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 
 case $1 in
     v*-dts) ;;