diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 4787862f5..99607ddfa 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['3.1', '3.2']
+        ruby: ['3.2', '3.3']
     steps:
     - uses: actions/checkout@v3
     - name: Set up Ruby