diff --git a/Dockerfile b/Dockerfile
index ae35732..c613645 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
 FROM debian:bullseye-slim
+MAINTAINER Christian Busch <hello@chbus.ch>
 
 # Install NSD and required tools
 RUN apt-get update && \