diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1ba1633..d2b1b4d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,19 +39,15 @@ jobs:
           - ruby: "2.0"
             os: ubuntu-latest
             coverage: false
-            bundler: 1
           - ruby: "2.1"
             os: ubuntu-latest
             coverage: false
-            bundler: 1
           - ruby: "2.2"
             os: ubuntu-latest
             coverage: false
-            bundler: 1
           - ruby: "2.7"
             os: ubuntu-latest
             coverage: true
-            bundler: latest
     env:
       COVERAGE: ${{ matrix.coverage }}
       COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
@@ -62,8 +58,6 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
-          bundler: ${{ matrix.bundler }}
-      - name: Install dependencies
-        run: bundle install --jobs 4 --retry 3
+          bundler-cache: true
       - name: Run tests
         run: bundle exec rake ci