.github/workflows/rspec.yml in csb-0.7.0 vs .github/workflows/rspec.yml in csb-0.8.0

@@ -13,10 +13,10 @@
       BUNDLE_RETRY: 3
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2"]
+        ruby: ["3.0", "3.1", "3.2", "3.3"]
         gemfile: ["rails61", "rails70"]
         exclude:
           - ruby: "3.1"
             gemfile: "rails61"
     steps: