diff --git a/Dockerfile b/Dockerfile
index 6b948bf..0782e19 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bookworm
+FROM debian:bullseye
 MAINTAINER yohan <783b8c87@scimetis.net>
 ENV DEBIAN_FRONTEND noninteractive
 RUN apt-get update && apt-get -y install openvpn procps iptables