diff --git a/.ruby-version b/.ruby-version
index be94e6f..47b322c 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.2.2
+3.4.1
diff --git a/Dockerfile b/Dockerfile
index 993594a..19663b3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.2.2
+FROM ruby:3.3.6
 ENV LANG C.UTF-8
 ARG NODEJS_MAJOR_VERSION=16.x
 ARG NODEJS_PATCH_VERSION=16.19.0
diff --git a/Gemfile b/Gemfile
index 4595348..a14704d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ git_source(:github) do |repo_name|
   "https://github.com/#{repo_name}.git"
 end
 
-ruby '3.2.2'
+ruby '3.4.1'
 
 gem 'activeadmin'
 gem 'active_model_serializers'