diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 43af2c6..596dd74 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,7 @@ jobs:
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
+        bundler: 'latest'
     - name: Install dependencies
       run: bundle install
       env: