diff --git a/.devcontainer/postCreateCommand.sh b/.devcontainer/postCreateCommand.sh
index 41b61ef9..dd613dbe 100755
--- a/.devcontainer/postCreateCommand.sh
+++ b/.devcontainer/postCreateCommand.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 composer install --no-dev --optimize-autoloader
 sudo chmod a+x "$(pwd)" && sudo rm -rf /var/www/html && sudo ln -s "$(pwd)" /var/www/html