diff --git a/Dockerfile b/Dockerfile
index a2d8b9eb..fa2905e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM alpine:latest
-MAINTAINER OpenSource PF <opensource@postfinance.ch>
+LABEL OpenSource="PF <opensource@postfinance.ch>"
 
 RUN apk --no-cache add ca-certificates curl
 COPY kubenurse /bin/kubenurse