diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2909a2a..3b8f4c7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,7 +57,7 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
-          cache-version: 0912834390128
+          bundler: latest
 
       - name: Test
         run: bundle exec rake spec