diff --git a/m/memcached/cve-2016-8704/Dockerfile b/m/memcached/cve-2016-8704/Dockerfile
index 3e28402..25c3f02 100644
--- a/m/memcached/cve-2016-8704/Dockerfile
+++ b/m/memcached/cve-2016-8704/Dockerfile
@@ -1,7 +1,7 @@
 FROM ubuntu:16.04
 MAINTAINER xiao-xing <xiao_xing@hansight.com>
 
-ADD sources.list /etc/apt/sources.list
+# ADD sources.list /etc/apt/sources.list
 
 RUN apt-get update
 RUN apt-get install -y gcc make wget libevent-dev libc6-dev perl