From 7c569afaf0e4000e8097fca82bc1eb790bd8858d Mon Sep 17 00:00:00 2001
From: Kazuhiro Serizawa <nserihiro@gmail.com>
Date: Tue, 10 Jun 2025 22:07:55 +0900
Subject: [PATCH] Update project to Ruby 3.4.4

---
 .github/workflows/ci.yml  | 2 +-
 .rubocop.yml              | 2 +-
 .ruby-version             | 2 +-
 AGENTS.md                 | 2 +-
 Dockerfile                | 2 +-
 simple_map_reduce.gemspec | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 760eba7..09c2b65 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1.244.0
       with:
-        ruby-version: '3.3.7' # Match the project's .ruby-version file
+        ruby-version: '3.4.4' # Match the project's .ruby-version file
         bundler-cache: true # Runs 'bundle install' and caches installed gems automatically
     
     - name: Run RuboCop
diff --git a/.rubocop.yml b/.rubocop.yml
index 0e38265..a7da9ef 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,5 +1,5 @@
 AllCops:
-  TargetRubyVersion: 3.3
+  TargetRubyVersion: 3.4
   DisplayCopNames: true
 
 PercentLiteralDelimiters:
diff --git a/.ruby-version b/.ruby-version
index 86fb650..f989260 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.7
+3.4.4
diff --git a/AGENTS.md b/AGENTS.md
index 121f624..3292482 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -1,6 +1,6 @@
 # Development Guidelines
 
-This project is a MapReduce framework implemented in Ruby. Development targets Ruby 3.3 and uses Bundler for dependency management.
+This project is a MapReduce framework implemented in Ruby. Development targets Ruby 3.4 and uses Bundler for dependency management.
 
 ## Setup
 
diff --git a/Dockerfile b/Dockerfile
index 2711965..3aa674f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.7.4
+FROM ruby:3.4.4
 
 WORKDIR /app
 
diff --git a/simple_map_reduce.gemspec b/simple_map_reduce.gemspec
index 67b27bd..3bee6e2 100644
--- a/simple_map_reduce.gemspec
+++ b/simple_map_reduce.gemspec
@@ -24,7 +24,7 @@ Gem::Specification.new do |spec|
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r(^exe/)) { |f| File.basename(f) }
   spec.require_paths = ['lib']
-  spec.required_ruby_version = '>= 3.3.7'
+  spec.required_ruby_version = '>= 3.4.4'
 
   spec.add_development_dependency 'bundler', '>= 2.5'
   spec.add_development_dependency 'factory_bot', '~> 6.5', '>= 6.5.1'