diff --git a/Dockerfile b/Dockerfile
index 260a119..7f1db5c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,10 @@
 FROM    docker.io/alpine
-MAINTAINER Jan Christian Grünhage <jan.christian
+MAINTAINER Jan Christian Grünhage <jan.christian@gruenhage.xyz>
 
 RUN     apk update \
         && apk upgrade \
         && apk add \
-            s6 \
-	&& apk cache clean
+            s6
 ADD     root    /
 
 CMD     ["/bin/s6-svscan", "/etc/s6.d"]