diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 3204e36..f4a6581 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -25,6 +25,7 @@ jobs:
       env:
         CI: true
       run: |
-        gem install bundler rake
+        gem install rake
+        gem install bundler ${{ matrix.ruby == '2.7' && '-v 2.4.22' || '' }}
         bundle install --jobs 4 --retry 3
         bundle exec rake spec