diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8a758f8..0dc0bd0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,17 +9,17 @@ jobs:
         include:
           - { os: ubuntu-latest, ruby_version: 2.6 }
           - { os: ubuntu-latest, ruby_version: 2.7 }
-          - { os: ubuntu-latest, ruby_version: '3.0' }
+          - { os: ubuntu-latest, ruby_version: "3.0" }
     steps:
-    - name: Setup Ruby, JRuby and TruffleRuby
-      uses: ruby/setup-ruby@v1.75.0
-      with:
-        bundler: 1
-        ruby-version: ${{ matrix.ruby_version }}
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Run tests
-      run: |
-        gem install bundler:2.2.25
-        bundle install --jobs 4 --retry 3
-        bundle exec rspec
+      - name: Setup Ruby, JRuby and TruffleRuby
+        uses: ruby/setup-ruby@v1.75.0
+        with:
+          bundler: 1
+          ruby-version: ${{ matrix.ruby_version }}
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Run tests
+        run: |
+          gem install bundler:2.3.7
+          bundle install --jobs 4 --retry 3
+          bundle exec rspec