diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 47fd776..bfbab0a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,14 +14,14 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - '3.1.2'
+          - "4.0.1"
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: ${{ matrix.ruby }}
-        bundler-cache: true
-    - name: Run the default task
-      run: bundle exec rake
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - name: Run the default task
+        run: bundle exec rake
diff --git a/.rubocop.yml b/.rubocop.yml
index fbbb4a2..b08a695 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,4 +1,5 @@
-require: rubocop-rails
+plugins:
+  - rubocop-rails
 
 AllCops:
   NewCops: enable
diff --git a/Gemfile b/Gemfile
index 2e24350..42ea360 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,12 +5,12 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in outboxable.gemspec
 gemspec
 
-gem 'rake', '~> 13.1'
-gem 'rspec', '~> 3.12'
-gem 'rubocop-rails', '~> 2.22'
+gem 'rake', '~> 13.3.1'
+gem 'rspec', '~> 3.13.2'
+gem 'rubocop-rails', '~> 2.34.3'
 
 group :development, :test do
-  gem 'activesupport', '~> 7.1'
-  gem 'sidekiq', '~> 7.2'
-  gem 'sidekiq-cron', '~> 1.11'
+  gem 'activesupport', '~> 8.1.2'
+  gem 'sidekiq', '~> 8.1.0'
+  gem 'sidekiq-cron', '~> 2.3.1'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index f8f2e2c..682c428 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,121 +3,137 @@ PATH
   specs:
     outboxable (1.0.6)
       bunny (>= 2.22)
-      connection_pool (~> 2.4)
+      connection_pool (>= 2.4)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.1.2)
+    activesupport (8.1.2)
       base64
       bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+      concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      json
+      logger (>= 1.4.2)
       minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
     amq-protocol (2.3.2)
-    ast (2.4.2)
-    base64 (0.2.0)
-    bigdecimal (3.1.4)
+    ast (2.4.3)
+    base64 (0.3.0)
+    bigdecimal (4.0.1)
     bunny (2.22.0)
       amq-protocol (~> 2.3, >= 2.3.1)
       sorted_set (~> 1, >= 1.0.2)
-    concurrent-ruby (1.2.2)
-    connection_pool (2.4.1)
-    diff-lcs (1.5.0)
-    drb (2.2.0)
-      ruby2_keywords
-    et-orbi (1.2.7)
+    concurrent-ruby (1.3.6)
+    connection_pool (3.0.2)
+    cronex (0.15.0)
       tzinfo
-    fugit (1.9.0)
-      et-orbi (~> 1, >= 1.2.7)
+      unicode (>= 0.4.4.5)
+    diff-lcs (1.6.2)
+    drb (2.2.3)
+    et-orbi (1.4.0)
+      tzinfo
+    fugit (1.12.1)
+      et-orbi (~> 1.4)
       raabro (~> 1.4)
-    globalid (1.2.1)
+    globalid (1.3.0)
       activesupport (>= 6.1)
-    i18n (1.14.1)
+    i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    json (2.7.1)
-    language_server-protocol (3.17.0.3)
-    minitest (5.20.0)
-    mutex_m (0.2.0)
-    parallel (1.23.0)
-    parser (3.2.2.4)
+    json (2.18.0)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
+    logger (1.7.0)
+    minitest (6.0.1)
+      prism (~> 1.5)
+    parallel (1.27.0)
+    parser (3.3.10.1)
       ast (~> 2.4.1)
       racc
+    prism (1.8.0)
     raabro (1.4.0)
-    racc (1.7.3)
-    rack (3.0.8)
+    racc (1.8.1)
+    rack (3.2.4)
     rainbow (3.1.1)
-    rake (13.1.0)
+    rake (13.3.1)
     rbtree (0.4.6)
-    redis-client (0.18.0)
+    redis-client (0.26.3)
       connection_pool
-    regexp_parser (2.8.3)
-    rexml (3.2.6)
-    rspec (3.12.0)
-      rspec-core (~> 3.12.0)
-      rspec-expectations (~> 3.12.0)
-      rspec-mocks (~> 3.12.0)
-    rspec-core (3.12.2)
-      rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.3)
+    regexp_parser (2.11.3)
+    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 (3.12.6)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.7)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-support (3.12.1)
-    rubocop (1.58.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.6)
+    rubocop (1.82.1)
       json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.4)
+      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 (>= 1.30.0, < 2.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.48.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.30.0)
-      parser (>= 3.2.1.0)
-    rubocop-rails (2.22.2)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.49.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.7)
+    rubocop-rails (2.34.3)
       activesupport (>= 4.2.0)
+      lint_roller (~> 1.1)
       rack (>= 1.1)
-      rubocop (>= 1.33.0, < 2.0)
-      rubocop-ast (>= 1.30.0, < 2.0)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.44.0, < 2.0)
     ruby-progressbar (1.13.0)
-    ruby2_keywords (0.0.5)
+    securerandom (0.4.1)
     set (1.0.3)
-    sidekiq (7.2.0)
-      concurrent-ruby (< 2)
-      connection_pool (>= 2.3.0)
-      rack (>= 2.2.4)
-      redis-client (>= 0.14.0)
-    sidekiq-cron (1.11.0)
-      fugit (~> 1.8)
+    sidekiq (8.1.0)
+      connection_pool (>= 3.0.0)
+      json (>= 2.16.0)
+      logger (>= 1.7.0)
+      rack (>= 3.2.0)
+      redis-client (>= 0.26.0)
+    sidekiq-cron (2.3.1)
+      cronex (>= 0.13.0)
+      fugit (~> 1.8, >= 1.11.1)
       globalid (>= 1.0.1)
-      sidekiq (>= 6)
+      sidekiq (>= 6.5.0)
     sorted_set (1.0.3)
       rbtree
       set (~> 1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.5.0)
+    unicode (0.4.4.5)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.2.0)
+    uri (1.1.1)
 
 PLATFORMS
+  arm64-darwin-25
   x86_64-linux
 
 DEPENDENCIES
-  activesupport (~> 7.1)
+  activesupport (~> 8.1.2)
   outboxable!
-  rake (~> 13.1)
-  rspec (~> 3.12)
-  rubocop-rails (~> 2.22)
-  sidekiq (~> 7.2)
-  sidekiq-cron (~> 1.11)
+  rake (~> 13.3.1)
+  rspec (~> 3.13.2)
+  rubocop-rails (~> 2.34.3)
+  sidekiq (~> 8.1.0)
+  sidekiq-cron (~> 2.3.1)
 
 BUNDLED WITH
    2.4.17
diff --git a/lib/generators/outboxable/install_generator.rb b/lib/generators/outboxable/install_generator.rb
index d1a7c09..822259d 100644
--- a/lib/generators/outboxable/install_generator.rb
+++ b/lib/generators/outboxable/install_generator.rb
@@ -6,7 +6,7 @@ module Outboxable
     class_option :orm, type: :string, default: 'activerecord'
 
     def initialize(*args)
-      super(*args)
+      super(*args) # rubocop:disable Style/SuperArguments
 
       @orm = options[:orm] || 'activerecord'
       %w[activerecord mongoid].include?(@orm) || raise(ArgumentError, 'Invalid ORM. Only ActiveRecord and Mongoid are supported.')
diff --git a/lib/outboxable.rb b/lib/outboxable.rb
index 31871aa..a8f5739 100644
--- a/lib/outboxable.rb
+++ b/lib/outboxable.rb
@@ -29,10 +29,10 @@ module Outboxable
         exchange: Outboxable.configuration.rabbitmq_exchange_name,
         payload: as_json,
         metadata: if respond_to?(:metadata_for_outbox)
-                metadata_for_outbox
-              else
-                {}
-              end
+                    metadata_for_outbox
+                  else
+                    {}
+                  end
       )
     end
 
diff --git a/lib/outboxable/connection.rb b/lib/outboxable/connection.rb
index 867c6ff..8a20fe6 100644
--- a/lib/outboxable/connection.rb
+++ b/lib/outboxable/connection.rb
@@ -3,6 +3,7 @@ require 'singleton'
 module Outboxable
   class Connection
     include ::Singleton
+
     attr_reader :connection
 
     def initialize
diff --git a/outboxable.gemspec b/outboxable.gemspec
index 6f3a11d..6b98b69 100644
--- a/outboxable.gemspec
+++ b/outboxable.gemspec
@@ -32,7 +32,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'bunny', '>= 2.22'
-  spec.add_dependency 'connection_pool', '~> 2.4'
+  spec.add_dependency 'connection_pool', '>= 2.4'
 
   spec.metadata['rubygems_mfa_required'] = 'true'
 end