diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f098af9..7ee2ffb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,6 +16,7 @@ jobs:
           - ruby-2.6
           - ruby-2.7
           - ruby-3.0
+          - ruby-3.1
           - jruby-9.1
           - jruby-9.2
     runs-on: ubuntu-latest