diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2852a7a..c4812f7 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,7 @@ jobs:
   build:
     docker:
       # specify the version you desire here
-      - image: cimg/ruby:3.2.1
+      - image: cimg/ruby:3.3.5
     environment:
       BUNDLER_VERSION: 2.4.10
 
diff --git a/.ruby-version b/.ruby-version
index e4604e3..fa7adc7 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.2.1
+3.3.5