diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 45e60abd..86b37f6a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -88,6 +88,7 @@ jobs:
           - '3.0'
           - 3.1
           - 3.2
+          - 3.3
           - jruby-9.1
           - jruby-9.2
           - jruby-9.3