diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 774c4ad..59e740c 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.2']
+        ruby: ['3.2', '3.3']
 
     env:
       CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}