diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index eab6cb8..2bbeb8c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,6 +40,7 @@ jobs:
           - "3.0"
           - 3.1
           - 3.2
+          - 3.3
           - jruby
 
     runs-on: ubuntu-latest