diff --git a/scripts/upgrade b/scripts/upgrade
index d5cd095..369c4cc 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -75,6 +75,7 @@ pushd "$install_dir"
 
 	# clear cached stuff under /app/data/storage/framework (https://github.com/laravel/framework/issues/17377)
 	mkdir -p $install_dir/storage/framework/cache/data/
+	chown -R $app:www-data $install_dir/storage/framework/cache/data/
 	php$php_version artisan view:clear
 	php$php_version artisan cache:clear