diff --git a/Dockerfile b/Dockerfile
index 3f9ff91..c7354a6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM busybox:latest
 MAINTAINER Christian Artin <gravufo@gmail.com>
 
-ENV version=1.3.0
+ENV version=1.3.4
 
 # Download statically compiled murmur and install it to /opt/murmur
 RUN mkdir /opt && cd /opt && \
@@ -9,7 +9,8 @@ RUN mkdir /opt && cd /opt && \
     bzcat /opt/murmur-static_x86-${version}.tar.bz2 | tar -x -C /opt -f - && \
     rm /opt/murmur-static_x86-${version}.tar.bz2 && \
     mv /opt/murmur-static_x86-${version} /opt/murmur && \
-    adduser -S -u 1000 mumble
+    addgroup -g 1000 mumble && \
+    adduser -H -D -S -u 1000 -G mumble mumble
 
 # Read murmur.ini and murmur.sqlite from /data/
 VOLUME ["/data"]