diff --git a/docker/Dockerfile b/docker/Dockerfile
index d25e69e..be34fd0 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,5 +1,5 @@
 FROM alpine:latest
-MAINTAINER felixlohmeier <felixlohmeier@opencultureconsulting.com>
+LABEL maintainer="felixlohmeier@opencultureconsulting.com"
 # The OpenRefine Python Client Library from PaulMakepeace provides an interface to communicating with an OpenRefine server. This fork extends the command line interface (CLI) and supports communication between docker containers.
 # Source: https://github.com/opencultureconsulting/openrefine-client