diff --git a/.codechina-ci.yml b/.codechina-ci.yml
index 9ae8174c3ca16e64df9a79a2bf31edca82b0a64a..d49ef9e74f9c915b80eb7314755b0dff5ddbd3b6 100644
--- a/.codechina-ci.yml
+++ b/.codechina-ci.yml
@@ -6,6 +6,8 @@ variables:
   CI_DEFAULT_BRANCH: pages
 
 before_script:
+  - gem sources -a https://gems.ruby-china.com
+  - gem source -u
   - gem install bundler
   - bundle install