diff --git a/.github/workflows/active_model_otp.yml b/.github/workflows/active_model_otp.yml
index 8efa9da..da878a0 100644
--- a/.github/workflows/active_model_otp.yml
+++ b/.github/workflows/active_model_otp.yml
@@ -13,37 +13,37 @@ jobs:
     strategy:
       matrix:
         gemfile: [rails_4.2, rails_5.0, rails_5.1, rails_5.2, rails_6.0, rails_6.1, rails_7.0]
-        ruby-version: [2.3, 2.4, 2.5, 2.6, 2.7, 3.0, 3.1, 3.2]
+        ruby-version: [2.3, 2.4, 2.5, 2.6, 2.7, '3.0', 3.1, 3.2]
         exclude:
           - { gemfile: rails_4.2, ruby-version: 2.5 }
           - { gemfile: rails_4.2, ruby-version: 2.6 }
           - { gemfile: rails_4.2, ruby-version: 2.7 }
-          - { gemfile: rails_4.2, ruby-version: 3.0 }
+          - { gemfile: rails_4.2, ruby-version: '3.0' }
           - { gemfile: rails_4.2, ruby-version: 3.1 }
           - { gemfile: rails_4.2, ruby-version: 3.2 }
           - { gemfile: rails_5.0, ruby-version: 2.5 }
           - { gemfile: rails_5.0, ruby-version: 2.6 }
           - { gemfile: rails_5.0, ruby-version: 2.7 }
-          - { gemfile: rails_5.0, ruby-version: 3.0 }
+          - { gemfile: rails_5.0, ruby-version: '3.0' }
           - { gemfile: rails_5.0, ruby-version: 3.1 }
           - { gemfile: rails_5.0, ruby-version: 3.2 }
           - { gemfile: rails_5.1, ruby-version: 2.6 }
           - { gemfile: rails_5.1, ruby-version: 2.7 }
-          - { gemfile: rails_5.1, ruby-version: 3.0 }
+          - { gemfile: rails_5.1, ruby-version: '3.0' }
           - { gemfile: rails_5.1, ruby-version: 3.1 }
           - { gemfile: rails_5.1, ruby-version: 3.2 }
           - { gemfile: rails_5.2, ruby-version: 2.7 }
-          - { gemfile: rails_5.2, ruby-version: 3.0 }
+          - { gemfile: rails_5.2, ruby-version: '3.0' }
           - { gemfile: rails_5.2, ruby-version: 3.1 }
           - { gemfile: rails_5.2, ruby-version: 3.2 }
           - { gemfile: rails_6.0, ruby-version: 2.3 }
           - { gemfile: rails_6.0, ruby-version: 2.4 }
-          - { gemfile: rails_6.0, ruby-version: 3.0 }
+          - { gemfile: rails_6.0, ruby-version: '3.0' }
           - { gemfile: rails_6.0, ruby-version: 3.1 }
           - { gemfile: rails_6.0, ruby-version: 3.2 }
           - { gemfile: rails_6.1, ruby-version: 2.3 }
           - { gemfile: rails_6.1, ruby-version: 2.4 }
-          - { gemfile: rails_6.1, ruby-version: 3.0 }
+          - { gemfile: rails_6.1, ruby-version: '3.0' }
           - { gemfile: rails_6.1, ruby-version: 3.1 }
           - { gemfile: rails_6.1, ruby-version: 3.2 }
           - { gemfile: rails_7.0, ruby-version: 2.3 }
@@ -55,15 +55,13 @@ jobs:
       BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Install Ruby ${{ matrix.ruby-version }}
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby-version }}
-
-      - name: Install dependencies
-        run: bundle install
+          bundler-cache: true
 
       - name: Run tests with Ruby ${{ matrix.ruby-version }} and Gemfile ${{ matrix.gemfile }}
         run: bundle exec rake