diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a96885a6..5bf3a654 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,6 +20,7 @@ jobs:
           - "3.0"
           - "3.1"
           - "3.2"
+          - "3.3"
           - jruby
         # include:
         #   - runs-on: ubuntu-latest