diff --git a/.codechina-ci.yml b/.codechina-ci.yml
index d49ef9e74f9c915b80eb7314755b0dff5ddbd3b6..e0c827315ecc880dbdaf08ef1388fbfab9de8b67 100644
--- a/.codechina-ci.yml
+++ b/.codechina-ci.yml
@@ -6,8 +6,8 @@ variables:
   CI_DEFAULT_BRANCH: pages
 
 before_script:
+  - gem source -r https://rubygems.org
   - gem sources -a https://gems.ruby-china.com
-  - gem source -u
   - gem install bundler
   - bundle install