diff --git a/arch/stm32/stm32.ini b/arch/stm32/stm32.ini
index 153ca9f3e..d91607a7d 100644
--- a/arch/stm32/stm32.ini
+++ b/arch/stm32/stm32.ini
@@ -2,7 +2,7 @@
 extends = arduino_base
 platform =
   # renovate: datasource=custom.pio depName=platformio/ststm32 packageName=platformio/platform/ststm32
-  platformio/ststm32@19.2.0
+  platformio/ststm32@19.3.0
 platform_packages =
   # TODO renovate
   platformio/framework-arduinoststm32@https://github.com/stm32duino/Arduino_Core_STM32/archive/2.10.1.zip
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)