diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ded8f91..513834b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.0', 3.1, 3.2]
+        ruby: ['3.0', 3.1, 3.2, '3.3.0-rc1']
         activerecord: [6.1, '7.0', 7.1]
 
     runs-on: ubuntu-latest