diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0ac58a1..83bce7a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        ruby-version: [2.3, 2.7, 3.0, 3.1, 3.2, 3.3, jruby-9.2.17.0]
+        ruby-version: [2.3, 2.7, 3.0, 3.1, 3.2, 3.3, 3.4, jruby-9.2.17.0]
     steps:
       - uses: actions/checkout@v3
       - name: Set up Ruby ${{ matrix.ruby-version }}