diff --git a/.circleci/config.yml b/.circleci/config.yml
index 96f32433..fc31638f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -11,7 +11,7 @@ jobs:
   build:
     docker:
       # https://circleci.com/developer/images/image/cimg/ruby
-      - image: cimg/ruby:3.3.7-node
+      - image: cimg/ruby:3.4.1-node
         environment:
         - DATABASE_URL=postgres://ubuntu:@localhost:5432/circle_test
 
diff --git a/Gemfile b/Gemfile
index d8bfe81f..00aa0dff 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@
 
 source "https://rubygems.org"
 
-ruby "3.3.7"
+ruby "3.4.1"
 
 git_source(:github) do |repo_name|
   repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
diff --git a/Gemfile.lock b/Gemfile.lock
index bd851b9c..471def3c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -438,7 +438,7 @@ DEPENDENCIES
   web-console
 
 RUBY VERSION
-   ruby 3.3.7
+   ruby 3.4.1
 
 BUNDLED WITH
    2.4.13