diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8426a5a..dfbdd1a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,11 +10,11 @@ jobs:
     runs-on: ubuntu-latest
 
     strategy:
-      matrix: { ruby: ['3.0', '3.1', '3.2', head] }
+      matrix: { ruby: ['3.1', '3.2', '3.3'] }
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Install OS dependencies
       run: sudo apt-get -y install libyaml-dev
diff --git a/.rubocop.yml b/.rubocop.yml
index 4891e4b..98c961a 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -8,4 +8,6 @@ inherit_gem:
     - rspec.yml
 
 AllCops:
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.1
+  SuggestExtensions: false
+
diff --git a/Gemfile b/Gemfile
index 71baa08..be4c5f7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,12 +2,8 @@ source 'https://rubygems.org'
 
 gem 'byebug'
 gem 'puma'
-gem 'rentacop'
 gem 'rspec'
 gem 'rspec_approvals'
-gem 'rubocop'
-gem 'rubocop-performance'
-gem 'rubocop-rspec'
 gem 'runfile'
 gem 'runfile-tasks'
 gem 'simplecov'
diff --git a/icodi.gemspec b/icodi.gemspec
index 3f4245f..01e4bf2 100644
--- a/icodi.gemspec
+++ b/icodi.gemspec
@@ -11,13 +11,14 @@ Gem::Specification.new do |s|
   s.files       = Dir['README.md', 'lib/**/*.*']
   s.homepage    = 'https://github.com/dannyben/icodi'
   s.license     = 'MIT'
-  s.required_ruby_version = '>= 3.0'
+  s.required_ruby_version = '>= 3.1'
 
-  s.add_runtime_dependency 'victor', '~> 0.2'
+  s.add_dependency 'victor', '~> 0.2'
 
   s.metadata = {
     'bug_tracker_uri'       => 'https://github.com/DannyBen/icodi/issues',
     'source_code_uri'       => 'https://github.com/DannyBen/icodi',
+    'changelog_uri'         => 'https://github.com/DannyBen/icodi/blob/master/CHANGELOG.md',
     'rubygems_mfa_required' => 'true',
   }
 end