diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ef10ff8..1d97f36 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,6 +18,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4'
     steps:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1