diff --git a/Dockerfile b/Dockerfile
index 87358558..9cd07ad2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM        prom/busybox:latest
-MAINTAINER  The Prometheus Authors <prometheus-developers@googlegroups.com>
+LABEL maintainer="The Prometheus Authors <prometheus-developers@googlegroups.com>"
 
 COPY amtool                       /bin/amtool
 COPY alertmanager                 /bin/alertmanager