diff --git a/.circleci/config.yml b/.circleci/config.yml
index b1b803b5..c43cf01c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -48,6 +48,7 @@ workflows:
             - cimg/ruby:3.0
             - cimg/ruby:3.1
             - cimg/ruby:3.2
+            - cimg/ruby:3.3
             - circleci/jruby:9.1
             - circleci/jruby:9.2
             - circleci/jruby:9.3