diff --git a/chinadns/Dockerfile b/chinadns/Dockerfile
index 9d341da..7cecfaa 100644
--- a/chinadns/Dockerfile
+++ b/chinadns/Dockerfile
@@ -2,7 +2,7 @@
 # Dockerfile for chinadns
 #
 
-FROM ubuntu:14.04
+FROM debian:jessie
 MAINTAINER kev <noreply@datageek.info>
 
 ENV DEBIAN_FRONTEND noninteractive