diff --git a/Dockerfile b/Dockerfile
index 2dbaeab..7eb738a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,8 @@
 # syntax=docker/dockerfile:1
 ARG BASE_IMAGE=alpine:latest #Fallback alpine:latest
+ARG S6_OVERLAY_VERSION=3.2.0.2 
+ARG APP_VERSION=3.22
+
 FROM ${BASE_IMAGE} AS rootfs-stage
 
 ARG S6_OVERLAY_VERSION=${S6_OVERLAY_VERSION}