diff --git a/ruby/gemrc b/ruby/gemrc
index 2b3103c..d93b427 100644
--- a/ruby/gemrc
+++ b/ruby/gemrc
@@ -2,8 +2,7 @@
 :backtrace: false
 :bulk_threshold: 1000
 :sources:
-- http://rubygems.org
-- https://gems.ruby-china.org/
+- https://gems.ruby-china.com
 :update_sources: true
 :verbose: true
 benchmark: false