diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 032674b5..f1688bf9 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -27,7 +27,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3"]
+        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4"]
 
     steps:
       - uses: actions/checkout@v4