diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 32de8112..27517ad8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,6 +22,7 @@ jobs:
           - '3.0'
           - '3.1'
           - '3.2'
+          - '3.3'
           - jruby-head
           - truffleruby-head