diff --git a/Gemfile b/Gemfile
index 9747e9a40f5..299fe71260e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-source "https://rubygems.org/"
+source "https://mirrors.tuna.tsinghua.edu.cn/rubygems/"
 # frozen_string_literal: true
 
 gemspec
diff --git a/Gemfile.lock b/Gemfile.lock
index 6490aafcf50..0502689387c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ PATH
       jekyll-sitemap (~> 1.4)
 
 GEM
-  remote: https://gems.ruby-china.com/
+  remote: https://mirrors.tuna.tsinghua.edu.cn/rubygems/
   specs:
     addressable (2.8.1)
       public_suffix (>= 2.0.2, < 6.0)