diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 2478bab..e913b5c 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -4,17 +4,18 @@ jobs:
   specs:
     strategy:
       matrix:
-        ruby-version: ['2.7', '3.0', '3.1']
+        ruby-version: ['3.2', '3.3', '3.4', '4.0']
 
     runs-on: ubuntu-latest
-    env:
-      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - run: bundle exec rake
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./coverage/lcov.info
diff --git a/.ruby-version b/.ruby-version
index ef538c2..d13e837 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.1.2
+4.0.6
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c0b144..5fa3d9c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+* Updated: Ruby to 3.2+
 * Added: short-hand method for getting allowed actions
 * Added: support for proc type validator options
 * Added/Changed/Deprecated/Removed/Fixed/Security: YOUR CHANGE HERE
diff --git a/Gemfile b/Gemfile
index b1d109c..eefe364 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,8 +3,8 @@
 source 'https://rubygems.org'
 
 group :test do
-  gem 'codecov', require: false
   gem 'simplecov', require: false
+  gem 'simplecov-lcov', require: false
 end
 
 # Specify your gem's dependencies in resource_policy.gemspec
diff --git a/Gemfile.lock b/Gemfile.lock
index a2d1922..aadfb39 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,219 +6,273 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (7.0.4.2)
-      actionpack (= 7.0.4.2)
-      activesupport (= 7.0.4.2)
+    actioncable (8.0.5.1)
+      actionpack (= 8.0.5.1)
+      activesupport (= 8.0.5.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (7.0.4.2)
-      actionpack (= 7.0.4.2)
-      activejob (= 7.0.4.2)
-      activerecord (= 7.0.4.2)
-      activestorage (= 7.0.4.2)
-      activesupport (= 7.0.4.2)
-      mail (>= 2.7.1)
-      net-imap
-      net-pop
-      net-smtp
-    actionmailer (7.0.4.2)
-      actionpack (= 7.0.4.2)
-      actionview (= 7.0.4.2)
-      activejob (= 7.0.4.2)
-      activesupport (= 7.0.4.2)
-      mail (~> 2.5, >= 2.5.4)
-      net-imap
-      net-pop
-      net-smtp
-      rails-dom-testing (~> 2.0)
-    actionpack (7.0.4.2)
-      actionview (= 7.0.4.2)
-      activesupport (= 7.0.4.2)
-      rack (~> 2.0, >= 2.2.0)
+      zeitwerk (~> 2.6)
+    actionmailbox (8.0.5.1)
+      actionpack (= 8.0.5.1)
+      activejob (= 8.0.5.1)
+      activerecord (= 8.0.5.1)
+      activestorage (= 8.0.5.1)
+      activesupport (= 8.0.5.1)
+      mail (>= 2.8.0)
+    actionmailer (8.0.5.1)
+      actionpack (= 8.0.5.1)
+      actionview (= 8.0.5.1)
+      activejob (= 8.0.5.1)
+      activesupport (= 8.0.5.1)
+      mail (>= 2.8.0)
+      rails-dom-testing (~> 2.2)
+    actionpack (8.0.5.1)
+      actionview (= 8.0.5.1)
+      activesupport (= 8.0.5.1)
+      nokogiri (>= 1.8.5)
+      rack (>= 2.2.4)
+      rack-session (>= 1.0.1)
       rack-test (>= 0.6.3)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (7.0.4.2)
-      actionpack (= 7.0.4.2)
-      activerecord (= 7.0.4.2)
-      activestorage (= 7.0.4.2)
-      activesupport (= 7.0.4.2)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+      useragent (~> 0.16)
+    actiontext (8.0.5.1)
+      actionpack (= 8.0.5.1)
+      activerecord (= 8.0.5.1)
+      activestorage (= 8.0.5.1)
+      activesupport (= 8.0.5.1)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (7.0.4.2)
-      activesupport (= 7.0.4.2)
+    actionview (8.0.5.1)
+      activesupport (= 8.0.5.1)
       builder (~> 3.1)
-      erubi (~> 1.4)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (7.0.4.2)
-      activesupport (= 7.0.4.2)
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (8.0.5.1)
+      activesupport (= 8.0.5.1)
       globalid (>= 0.3.6)
-    activemodel (7.0.4.2)
-      activesupport (= 7.0.4.2)
-    activerecord (7.0.4.2)
-      activemodel (= 7.0.4.2)
-      activesupport (= 7.0.4.2)
-    activestorage (7.0.4.2)
-      actionpack (= 7.0.4.2)
-      activejob (= 7.0.4.2)
-      activerecord (= 7.0.4.2)
-      activesupport (= 7.0.4.2)
+    activemodel (8.0.5.1)
+      activesupport (= 8.0.5.1)
+    activerecord (8.0.5.1)
+      activemodel (= 8.0.5.1)
+      activesupport (= 8.0.5.1)
+      timeout (>= 0.4.0)
+    activestorage (8.0.5.1)
+      actionpack (= 8.0.5.1)
+      activejob (= 8.0.5.1)
+      activerecord (= 8.0.5.1)
+      activesupport (= 8.0.5.1)
       marcel (~> 1.0)
-      mini_mime (>= 1.1.0)
-    activesupport (7.0.4.2)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+    activesupport (8.0.5.1)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
       i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
       minitest (>= 5.1)
-      tzinfo (~> 2.0)
-    ast (2.4.2)
-    builder (3.2.4)
-    byebug (11.1.3)
-    codecov (0.6.0)
-      simplecov (>= 0.15, < 0.22)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
+    ast (2.4.3)
+    base64 (0.3.0)
+    benchmark (0.5.0)
+    bigdecimal (4.1.3)
+    builder (3.3.0)
+    byebug (13.0.0)
+      reline (>= 0.6.0)
     coderay (1.1.3)
-    concurrent-ruby (1.2.0)
-    crass (1.0.6)
-    date (3.3.3)
-    diff-lcs (1.5.0)
-    docile (1.4.0)
-    erubi (1.12.0)
-    globalid (1.1.0)
-      activesupport (>= 5.0)
-    i18n (1.12.0)
+    concurrent-ruby (1.3.8)
+    connection_pool (3.0.2)
+    crass (1.0.7)
+    date (3.5.1)
+    diff-lcs (1.6.2)
+    drb (2.2.3)
+    erb (6.0.7)
+    erubi (1.13.1)
+    globalid (1.4.0)
+      activesupport (>= 6.1)
+    i18n (1.15.2)
       concurrent-ruby (~> 1.0)
-    json (2.6.3)
-    loofah (2.19.1)
+    io-console (0.9.4)
+    irb (1.18.0)
+      pp (>= 0.6.0)
+      prism (>= 1.3.0)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
+    json (3.0.2)
+    language_server-protocol (3.17.0.6)
+    lint_roller (1.1.0)
+    logger (1.7.0)
+    loofah (2.25.2)
       crass (~> 1.0.2)
-      nokogiri (>= 1.5.9)
-    mail (2.8.0.1)
+      nokogiri (>= 1.12.0)
+    mail (2.9.1)
+      logger
       mini_mime (>= 0.1.1)
       net-imap
       net-pop
       net-smtp
-    marcel (1.0.2)
-    method_source (1.0.0)
-    mini_mime (1.1.2)
-    mini_portile2 (2.8.1)
-    minitest (5.17.0)
-    net-imap (0.3.4)
+    marcel (1.2.1)
+    method_source (1.1.0)
+    mini_mime (1.1.5)
+    minitest (6.0.6)
+      drb (~> 2.0)
+      prism (~> 1.5)
+    net-imap (0.6.7)
       date
       net-protocol
     net-pop (0.1.2)
       net-protocol
-    net-protocol (0.2.1)
+    net-protocol (0.4.0)
       timeout
-    net-smtp (0.3.3)
+    net-smtp (0.5.1)
       net-protocol
-    nio4r (2.5.8)
-    nokogiri (1.14.3)
-      mini_portile2 (~> 2.8.0)
+    nio4r (2.7.5)
+    nokogiri (1.19.4-arm64-darwin)
       racc (~> 1.4)
-    parallel (1.22.1)
-    parser (3.2.0.0)
+    nokogiri (1.19.4-x86_64-linux-gnu)
+      racc (~> 1.4)
+    parallel (1.28.0)
+    parser (3.3.12.0)
       ast (~> 2.4.1)
-    pry (0.14.2)
+      racc
+    pp (0.6.4)
+      prettyprint
+    prettyprint (0.2.0)
+    prism (1.9.0)
+    pry (0.16.0)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    pry-byebug (3.10.1)
-      byebug (~> 11.0)
-      pry (>= 0.13, < 0.15)
-    racc (1.6.2)
-    rack (2.2.6.4)
-    rack-test (2.0.2)
+      reline (>= 0.6.0)
+    pry-byebug (3.12.0)
+      byebug (~> 13.0)
+      pry (>= 0.13, < 0.17)
+    racc (1.8.1)
+    rack (3.2.7)
+    rack-session (2.1.2)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rack-test (2.2.0)
       rack (>= 1.3)
-    rails (7.0.4.2)
-      actioncable (= 7.0.4.2)
-      actionmailbox (= 7.0.4.2)
-      actionmailer (= 7.0.4.2)
-      actionpack (= 7.0.4.2)
-      actiontext (= 7.0.4.2)
-      actionview (= 7.0.4.2)
-      activejob (= 7.0.4.2)
-      activemodel (= 7.0.4.2)
-      activerecord (= 7.0.4.2)
-      activestorage (= 7.0.4.2)
-      activesupport (= 7.0.4.2)
+    rackup (2.3.1)
+      rack (>= 3)
+    rails (8.0.5.1)
+      actioncable (= 8.0.5.1)
+      actionmailbox (= 8.0.5.1)
+      actionmailer (= 8.0.5.1)
+      actionpack (= 8.0.5.1)
+      actiontext (= 8.0.5.1)
+      actionview (= 8.0.5.1)
+      activejob (= 8.0.5.1)
+      activemodel (= 8.0.5.1)
+      activerecord (= 8.0.5.1)
+      activestorage (= 8.0.5.1)
+      activesupport (= 8.0.5.1)
       bundler (>= 1.15.0)
-      railties (= 7.0.4.2)
-    rails-dom-testing (2.0.3)
-      activesupport (>= 4.2.0)
+      railties (= 8.0.5.1)
+    rails-dom-testing (2.3.0)
+      activesupport (>= 5.0.0)
+      minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.5.0)
-      loofah (~> 2.19, >= 2.19.1)
-    railties (7.0.4.2)
-      actionpack (= 7.0.4.2)
-      activesupport (= 7.0.4.2)
-      method_source
+    rails-html-sanitizer (1.7.1)
+      loofah (~> 2.25, >= 2.25.2)
+      nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
+    railties (8.0.5.1)
+      actionpack (= 8.0.5.1)
+      activesupport (= 8.0.5.1)
+      irb (~> 1.13)
+      rackup (>= 1.0.0)
       rake (>= 12.2)
-      thor (~> 1.0)
-      zeitwerk (~> 2.5)
+      thor (~> 1.0, >= 1.2.2)
+      tsort (>= 0.2)
+      zeitwerk (~> 2.6)
     rainbow (3.1.1)
-    rake (13.0.6)
-    regexp_parser (2.6.2)
-    rexml (3.2.5)
-    rspec (3.12.0)
-      rspec-core (~> 3.12.0)
-      rspec-expectations (~> 3.12.0)
-      rspec-mocks (~> 3.12.0)
-    rspec-core (3.12.0)
-      rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.2)
+    rake (13.4.2)
+    rbs (4.1.3)
+      logger
+      prism (>= 1.6.0)
+      tsort
+    rdoc (8.0.0)
+      erb
+      prism (>= 1.6.0)
+      rbs (>= 4.0.0)
+      tsort
+    regexp_parser (2.13.0)
+    reline (0.7.0)
+      io-console (~> 0.5)
+    rspec (3.13.2)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.6)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.3)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.8)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-support (3.12.0)
-    rubocop (1.44.1)
-      json (~> 2.3)
-      parallel (~> 1.10)
-      parser (>= 3.2.0.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.7)
+    rubocop (1.91.0)
+      json (>= 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (>= 1.10)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.24.1, < 2.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.49.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.24.1)
-      parser (>= 3.1.1.0)
-    rubocop-capybara (2.17.0)
-      rubocop (~> 1.41)
-    rubocop-performance (1.15.2)
-      rubocop (>= 1.7.0, < 2.0)
-      rubocop-ast (>= 0.4.0)
-    rubocop-rails (2.17.4)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.50.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.7)
+    rubocop-performance (1.27.0)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.89.0, < 2.0)
+      rubocop-ast (>= 1.47.1, < 2.0)
+    rubocop-rails (2.38.0)
       activesupport (>= 4.2.0)
+      lint_roller (~> 1.1)
       rack (>= 1.1)
-      rubocop (>= 1.33.0, < 2.0)
-    rubocop-rspec (2.18.1)
-      rubocop (~> 1.33)
-      rubocop-capybara (~> 2.17)
-    ruby-progressbar (1.11.0)
-    simplecov (0.21.2)
-      docile (~> 1.1)
-      simplecov-html (~> 0.11)
-      simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.12.3)
-    simplecov_json_formatter (0.1.4)
-    thor (1.2.1)
-    timeout (0.3.1)
+      rubocop (>= 1.89.0, < 2.0)
+      rubocop-ast (>= 1.44.0, < 2.0)
+    rubocop-rspec (3.10.2)
+      lint_roller (~> 1.1)
+      regexp_parser (>= 2.0)
+      rubocop (~> 1.86, >= 1.86.2)
+    ruby-progressbar (1.13.0)
+    securerandom (0.4.1)
+    simplecov (1.2.0)
+    simplecov-lcov (0.9.0)
+    thor (1.5.0)
+    timeout (0.6.1)
+    tsort (0.2.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.4.2)
-    websocket-driver (0.7.5)
+    unicode-display_width (3.3.0)
+      unicode-emoji (~> 4.3)
+    unicode-emoji (4.3.0)
+    uri (1.1.1)
+    useragent (0.16.11)
+    websocket-driver (0.8.2)
+      base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    zeitwerk (2.6.6)
+    zeitwerk (2.8.3)
 
 PLATFORMS
-  ruby
+  arm64-darwin-25
+  x86_64-linux
 
 DEPENDENCIES
-  bundler (~> 2.0)
-  codecov
+  bundler (~> 4.0)
   pry-byebug
-  rails (~> 7.0.0)
+  rails (~> 8.0.0)
   rake (~> 13.0)
   resource_policy!
   rspec (~> 3.0)
@@ -227,6 +281,7 @@ DEPENDENCIES
   rubocop-rails
   rubocop-rspec
   simplecov
+  simplecov-lcov
 
 BUNDLED WITH
-   2.0.1
+  4.0.21
diff --git a/resource_policy.gemspec b/resource_policy.gemspec
index 06cd0f2..97c745b 100644
--- a/resource_policy.gemspec
+++ b/resource_policy.gemspec
@@ -35,7 +35,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_development_dependency 'bundler', '~> 2.0'
+  spec.add_development_dependency 'bundler', '~> 4.0'
   spec.add_development_dependency 'pry-byebug'
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
@@ -43,5 +43,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rubocop-performance'
   spec.add_development_dependency 'rubocop-rails'
   spec.add_development_dependency 'rubocop-rspec'
-  spec.add_development_dependency 'rails', '~> 7.0.0'
+  spec.add_development_dependency 'rails', '~> 8.0.0'
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8146fa5..931ba87 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -3,17 +3,24 @@
 require 'bundler/setup'
 
 require 'simplecov'
+
+if ENV['CI']
+  require 'simplecov-lcov'
+
+  SimpleCov::Formatter::LcovFormatter.config do |config|
+    config.report_with_single_file = true
+    config.single_report_path = 'coverage/lcov.info'
+  end
+
+  SimpleCov.formatter = SimpleCov::Formatter::LcovFormatter
+end
+
 SimpleCov.start do
   add_filter(/_spec.rb\Z/)
 end
 
 require 'resource_policy'
 
-if ENV['CODECOV_TOKEN']
-  require 'codecov'
-  SimpleCov.formatter = SimpleCov::Formatter::Codecov
-end
-
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure
   config.example_status_persistence_file_path = '.rspec_status'