diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index ae61c40dc..4ff7b33bd 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['3.3.1']
+        ruby: ['3.3.1', "3.4"]
     steps:
     - uses: actions/checkout@v4
     - name: Set up Ruby