diff --git a/.circleci/config.yml b/.circleci/config.yml
index c9c7d4f..07a936a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,7 @@ orbs:
 executors:
   rails:
     docker:
-      - image: cimg/ruby:3.1.3-browsers
+      - image: cimg/ruby:3.3.6-browsers
         environment:
           BUNDLE_JOBS: 4
           BUNDLE_PATH: vendor/bundle
diff --git a/.ruby-version b/.ruby-version
index ff365e0..9c25013 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.1.3
+3.3.6
diff --git a/Gemfile b/Gemfile
index 045404a..26f617d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source "https://rubygems.org"
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 # Heroku uses the ruby version to configure your application"s runtime.
-ruby "3.1.3"
+ruby "3.3.6"
 
 gem "amazing_print"
 gem "bootsnap", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 6942989..c94e355 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -311,7 +311,7 @@ DEPENDENCIES
   webpacker
 
 RUBY VERSION
-   ruby 3.1.3
+   ruby 3.3.6
 
 BUNDLED WITH
    2.3.11