diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 767f6b7d..1a2a2d3d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -64,6 +64,7 @@ variables:
     - export NEXT_VERSION="$(cat app_new.version)"
     #    - flutter pub get
     - export PATH="/opt/homebrew/bin:$PATH"
+    - export RUBY_BUILD_MIRROR_URL=https://cache.ruby-china.com/pub/ruby
     - rbenv install 2.7.8 --skip-existing
     - rbenv global 2.7.8
     - eval "$(rbenv init -)"