diff --git a/Dockerfile b/Dockerfile
index 0b9eab1..73b8ddc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM registry.opensource.zalan.do/library/alpine-3.12:latest
-MAINTAINER Team Teapot @ Zalando SE <team-teapot@zalando.de>
+LABEL maintainer="Team Teapot @ Zalando SE <team-teapot@zalando.de>"
 
 # add binary
 ADD build/linux/kube-metrics-adapter /