diff --git a/Dockerfile b/Dockerfile
index 4fccb87..2ceab8f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,7 @@
-# This provides a minimal websockify Docker image. The image is based on Alpine
-# edge to be able to benefit from the numpy package that is currently in
-# testing. This ought to change as soon as numpy has qualified out of testing.
-FROM alpine:edge
+FROM alpine
 MAINTAINER Emmanuel Frecon <efrecon@gmail.com>
 
-RUN apk add --update-cache python && \
-    apk add --update-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing/ --allow-untrusted py-numpy && \
+RUN apk add --update-cache python py-numpy && \
     rm -rf /var/cache/apk/*
 
 COPY run /opt/websockify/