diff --git a/.ruby-version b/.ruby-version
index 9c25013..47b322c 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.6
+3.4.1
diff --git a/Dockerfile b/Dockerfile
index fd5f327..6076cbc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.3.6-alpine3.19
+FROM ruby:3.4.1-alpine3.19
 
 ENV APP_ROOT /usr/src/app
 ENV DATABASE_PORT 5432
diff --git a/Gemfile b/Gemfile
index 831ead0..ff06095 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '3.3.6'
+ruby '3.4.1'
 
 gem "rails", "~> 8.0.0"
 gem "sprockets-rails"
diff --git a/Gemfile.lock b/Gemfile.lock
index 58b8f31..666d1c5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -401,7 +401,7 @@ DEPENDENCIES
   webmock
 
 RUBY VERSION
-   ruby 3.3.6p108
+   ruby 3.4.1p0
 
 BUNDLED WITH
    2.6.2