.github/workflows/rake.yml in mimoco-0.3.1 vs .github/workflows/rake.yml in mimoco-0.3.2

@@ -7,10 +7,10 @@
   test:
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        ruby: ["2.7", "3.0", "3.1", head]
+        ruby: ["2.7", "3.0", "3.2", head]
         test_command: ["bundle exec rake test"]
     runs-on: ${{ matrix.os }}
 
     steps:
     - uses: actions/checkout@v3