diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 14ff518..271acb9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: [2.7, 3.0, 3.1, 3.2, 3.3]
+        ruby-version: [2.7, 3.0, 3.1, 3.2, 3.3, 3.4]
 
     steps:
     - uses: actions/checkout@v2