diff --git a/bin/device-update.sh b/bin/device-update.sh
index ce0b5e434..2196d3af9 100755
--- a/bin/device-update.sh
+++ b/bin/device-update.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 PYTHON=${PYTHON:-$(which python3 python|head -n 1)}
 CHANGE_MODE=false
diff --git a/debian/meshtasticd.postinst b/debian/meshtasticd.postinst
index fe0dbc332..d569cb43e 100755
--- a/debian/meshtasticd.postinst
+++ b/debian/meshtasticd.postinst
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # postinst script for meshtasticd
 #
 # see: dh_installdeb(1)
diff --git a/debian/meshtasticd.postrm b/debian/meshtasticd.postrm
index bb2c32a5b..dc25680a8 100755
--- a/debian/meshtasticd.postrm
+++ b/debian/meshtasticd.postrm
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # postrm script for meshtasticd
 #
 # see: dh_installdeb(1)