.github/workflows/rubygem.yml in kitkat-0.0.2 vs .github/workflows/rubygem.yml in kitkat-1.0.0

@@ -9,18 +9,16 @@
 jobs:
   verify:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.6', '2.7', '3.0']
+        ruby-version: ['3.2.1']
 
     steps:
     - uses: actions/checkout@v2
+    # https://github.com/ruby/setup-ruby#versioning
     - name: Set up Ruby
-    # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
-    # change this to (see https://github.com/ruby/setup-ruby#versioning):
-    # uses: ruby/setup-ruby@v1
-      uses: ruby/setup-ruby@473e4d8fe5dd94ee328fdfca9f8c9c7afc9dae5e
+      uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
     - name: Lint
       run: bin/rubocop