diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e363c2f..615900d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['3.0', '3.1', '3.2', '3.3']
+        ruby-version: ['3.0', '3.1', '3.2', '3.3', '3.4']
 
     steps:
       - uses: actions/checkout@v4