diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d4272ab..b110f0c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,6 +19,7 @@ jobs:
           - ruby: '2.6'
           - ruby: '2.7'
           - ruby: '3.0'
+          - ruby: '3.1'
             coverage: 'yes'
     env:
       COVERAGE: ${{ matrix.coverage }}