diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d3576b0..c7b9aa2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['2.6', '2.7', '3.0']
+        ruby: ['2.7', '3.0', '3.1']
     steps:
       - uses: actions/checkout@v2
       - name: Set up Ruby ${{ matrix.ruby }}