diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 11103c99..a797d252 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -9,9 +9,9 @@ name: CI
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
   test:
@@ -19,30 +19,26 @@ jobs:
     name: test (ruby ${{ matrix.ruby }} / rails ${{ matrix.rails_version }})
     strategy:
       matrix:
-        ruby: [2.7, '3.0']
-        rails_version: ['6.1.7.1', '7.0.4.1']
-        additional_engine_cart_rails_options: ['']
+        ruby: ["3.3"]
+        rails_version: ["7.2.1"]
+        additional_engine_cart_rails_options: [""]
         include:
-        - ruby: '3.3'
-          rails_version: '7.1.3'
-        - ruby: '3.2'
-          rails_version: '7.0.4.1'
-        - ruby: '3.1'
-          rails_version: '7.0.4.1'
-        - ruby: '3.0'
-          rails_version: '7.0.4.1'
+          - ruby: "3.2"
+            rails_version: "7.1.4"
+          - ruby: "3.1"
+            rails_version: "7.0.8.4"
     env:
       BLACKLIGHT_VERSION: "~> 7.0" # only test on BL 7 for now
       RAILS_VERSION: ${{ matrix.rails_version }}
       ENGINE_CART_RAILS_OPTIONS: "--skip-git --skip-listen --skip-spring --skip-keeps --skip-coffee --skip-test ${{ matrix.engine_cart_rails_options }}"
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: ${{ matrix.ruby }}
-        bundler: 'latest'
-    - name: Install dependencies
-      run: bundle install
-    - name: Run tests
-      run: bundle exec rake ci
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler: "latest"
+      - name: Install dependencies
+        run: bundle install
+      - name: Run tests
+        run: bundle exec rake ci