diff --git a/.rubocop.yml b/.rubocop.yml
index 8fac6d2..fbbb4a2 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -5,7 +5,7 @@ AllCops:
   SuggestExtensions: false
 Layout/SpaceBeforeBrackets: # (new in 1.7)
   Enabled: true
-Layout/LineLength: 
+Layout/LineLength:
   Max: 350
 Lint/AmbiguousAssignment: # (new in 1.7)
   Enabled: true
@@ -110,4 +110,8 @@ Metrics/MethodLength:
 Metrics/CyclomaticComplexity:
   Max: 15
 Metrics/PerceivedComplexity:
-  Max: 15
\ No newline at end of file
+  Max: 15
+Lint/DuplicateMethods: # Disables duplicate methods warning
+  Enabled: false
+Gemspec/RequiredRubyVersion: # Disables required ruby version warning
+  Enabled: false
diff --git a/Gemfile b/Gemfile
index f932794..ec6fcb7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,15 +1,15 @@
 # frozen_string_literal: true
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
 # Specify your gem's dependencies in outboxable.gemspec
 gemspec
 
-gem "rake", "~> 13.0"
+gem 'rake', '~> 13.0'
 
-gem "rspec", "~> 3.0"
+gem 'rspec', '~> 3.0'
 
-gem "rubocop-rails", "~> 2.18"
+gem 'rubocop-rails', '~> 2.18'
 
 gem 'sidekiq-cron', '~> 1.9'
 
diff --git a/Rakefile b/Rakefile
index cca7175..4964751 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
-require "bundler/gem_tasks"
-require "rspec/core/rake_task"
+require 'bundler/gem_tasks'
+require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 
-require "rubocop/rake_task"
+require 'rubocop/rake_task'
 
 RuboCop::RakeTask.new
 
diff --git a/lib/generators/outboxable/install_generator.rb b/lib/generators/outboxable/install_generator.rb
index 8963dbe..6dbfa0b 100644
--- a/lib/generators/outboxable/install_generator.rb
+++ b/lib/generators/outboxable/install_generator.rb
@@ -2,7 +2,7 @@ module Outboxable
   class InstallGenerator < Rails::Generators::Base
     include Rails::Generators::Migration
 
-    source_root File.expand_path('../../../templates', __FILE__)
+    source_root File.expand_path('../../templates', __dir__)
 
     # Copy initializer into user app
     def copy_initializer
@@ -11,26 +11,26 @@ module Outboxable
 
     # Copy user information (model & Migrations) into user app
     def create_user_model
-      target_path = "app/models/outbox.rb"
-      unless File.exist?(File.join(Rails.root, target_path))
-        template("outbox.rb", target_path)
+      target_path = 'app/models/outbox.rb'
+      if Rails.root.join(target_path).exist?
+        say_status('skipped', 'Model outbox already exists')
       else
-        say_status('skipped', "Model outbox already exists")
+        template('outbox.rb', target_path)
       end
     end
 
     # Copy migrations
     def copy_migrations
-      if self.class.migration_exists?('db/migrate', "create_outboxable_outboxes")
-        say_status('skipped', "Migration create_outboxable_outboxes already exists")
+      if self.class.migration_exists?('db/migrate', 'create_outboxable_outboxes')
+        say_status('skipped', 'Migration create_outboxable_outboxes already exists')
       else
-        migration_template('create_outboxable_outboxes.rb', "db/migrate/create_outboxable_outboxes.rb")
+        migration_template('create_outboxable_outboxes.rb', 'db/migrate/create_outboxable_outboxes.rb')
       end
     end
 
     # Use to assign migration time otherwise generator will error
-    def self.next_migration_number(dir)
-      Time.now.utc.strftime("%Y%m%d%H%M%S")
+    def self.next_migration_number(_dir)
+      Time.now.utc.strftime('%Y%m%d%H%M%S')
     end
   end
 end
diff --git a/lib/outboxable.rb b/lib/outboxable.rb
index 3de5943..48362ad 100644
--- a/lib/outboxable.rb
+++ b/lib/outboxable.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "outboxable/version"
+require_relative 'outboxable/version'
 
 require 'outboxable/worker'
 require 'outboxable/publishing_manager'
@@ -10,7 +10,6 @@ require 'outboxable/configuration'
 require 'outboxable/rabbitmq/publisher'
 require 'active_support'
 
-
 module Outboxable
   class Error < StandardError; end
 
@@ -22,7 +21,7 @@ module Outboxable
 
     has_many :outboxes, as: :outboxable, autosave: false
 
-    def instantiate_outbox(routing_key: )
+    def instantiate_outbox(routing_key:)
       outboxes.new(
         routing_key:,
         exchange: Outboxable.configuration.rabbitmq_event_bus_exchange,
diff --git a/lib/outboxable/configuration.rb b/lib/outboxable/configuration.rb
index 27bed0d..7bed8e8 100644
--- a/lib/outboxable/configuration.rb
+++ b/lib/outboxable/configuration.rb
@@ -12,7 +12,7 @@ module Outboxable
     ALLOWED_MESSAGE_BROKERS = %i[rabbitmq].freeze
     ALLOWED_ORMS = %i[activerecord].freeze
 
-    attr_accessor :rabbitmq_host, 
+    attr_accessor :rabbitmq_host,
                   :rabbitmq_port,
                   :rabbitmq_user,
                   :rabbitmq_password,
@@ -31,7 +31,7 @@ module Outboxable
       Sidekiq::Options[:cron_poll_interval] = 5
 
       # Create the cron job for the polling publisher
-      Sidekiq::Cron::Job.create(name: 'OutboxablePollingPublisher', cron: '*/5 * * * * *', class: 'Outboxable::PollingPublisherWorker') 
+      Sidekiq::Cron::Job.create(name: 'OutboxablePollingPublisher', cron: '*/5 * * * * *', class: 'Outboxable::PollingPublisherWorker')
     end
 
     def message_broker=(message_broker)
diff --git a/lib/outboxable/polling_publisher_worker.rb b/lib/outboxable/polling_publisher_worker.rb
index 22ce75c..c955533 100644
--- a/lib/outboxable/polling_publisher_worker.rb
+++ b/lib/outboxable/polling_publisher_worker.rb
@@ -11,4 +11,4 @@ module Outboxable
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/outboxable/rabbitmq/publisher.rb b/lib/outboxable/rabbitmq/publisher.rb
index f5a8840..8de96ec 100644
--- a/lib/outboxable/rabbitmq/publisher.rb
+++ b/lib/outboxable/rabbitmq/publisher.rb
@@ -4,34 +4,34 @@ module Outboxable
       def initialize(resource:)
         @resource = resource
       end
-    
+
       def to_envelope(resource:)
         # throw not implemented method error
-        raise NotImplementedError, "Please implement the to_envelope method in your own module" 
+        raise NotImplementedError, 'Please implement the to_envelope method in your own module'
       end
-    
+
       def publish
         confirmed = nil
-    
+
         Outboxable::Connection.instance.channel.with do |channel|
           channel.confirm_select
-    
+
           # Declare a exchange
           exchange = channel.topic(@resource.exchange, durable: true)
-    
+
           # Publish the CloudEvent resource to the exchange
           exchange.publish(to_envelope(resource: @resource), routing_key: @resource.routing_key, headers: @resource.try(:headers) || {})
-    
+
           # Wait for confirmation
           confirmed = channel.wait_for_confirms
         end
-    
+
         return unless confirmed
-    
+
         @resource.reload
         @resource.increment_attempt
         @resource.update(status: :published, retry_at: nil)
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/outboxable/version.rb b/lib/outboxable/version.rb
index 8e32ea5..569abd5 100644
--- a/lib/outboxable/version.rb
+++ b/lib/outboxable/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Outboxable
-  VERSION = "0.1.1"
+  VERSION = '0.1.1'
 end
diff --git a/lib/templates/create_outboxable_outboxes.rb b/lib/templates/create_outboxable_outboxes.rb
index a37aa85..800acdb 100644
--- a/lib/templates/create_outboxable_outboxes.rb
+++ b/lib/templates/create_outboxable_outboxes.rb
@@ -17,7 +17,7 @@ class CreateOutboxableOutboxes < ActiveRecord::Migration[7.0]
 
       t.integer :size, null: false, default: 0
 
-      t.references :outboxable, polymorphic: true, null: true 
+      t.references :outboxable, polymorphic: true, null: true
 
       t.timestamps
     end
diff --git a/lib/templates/initializer.rb b/lib/templates/initializer.rb
index d6fb457..32c81ad 100644
--- a/lib/templates/initializer.rb
+++ b/lib/templates/initializer.rb
@@ -1,4 +1,4 @@
-# This monkey patch allows you to customize the message format that you publish to your broker. 
+# This monkey patch allows you to customize the message format that you publish to your broker.
 # By default, Outboxable publishes a CloudEvent message to your broker.
 module Outboxable
   module RabbitMq
diff --git a/lib/templates/outbox.rb b/lib/templates/outbox.rb
index af428ca..c82e97e 100644
--- a/lib/templates/outbox.rb
+++ b/lib/templates/outbox.rb
@@ -29,4 +29,4 @@ class Outbox < ApplicationRecord
   def check_publishing
     self.allow_publish = false if published?
   end
-end
\ No newline at end of file
+end
diff --git a/outboxable.gemspec b/outboxable.gemspec
index 8589162..d47ab47 100644
--- a/outboxable.gemspec
+++ b/outboxable.gemspec
@@ -1,24 +1,24 @@
 # frozen_string_literal: true
 
-require_relative "lib/outboxable/version"
+require_relative 'lib/outboxable/version'
 
 Gem::Specification.new do |spec|
-  spec.name = "outboxable"
+  spec.name = 'outboxable'
   spec.version = Outboxable::VERSION
-  spec.authors = ["Brusk Awat"]
-  spec.email = ["broosk.edogawa@gmail.com"]
+  spec.authors = ['Brusk Awat']
+  spec.email = ['broosk.edogawa@gmail.com']
 
-  spec.summary = "An opiniated Gem for Rails applications to implement the transactional outbox pattern."
-  spec.description = "The Outboxable Gem is tailored for Rails applications to implement the transactional outbox pattern. It currently only supports ActiveRecord."
-  spec.homepage = "https://github.com/broosk1993/outboxable"
-  spec.license = "MIT"
-  spec.required_ruby_version = ">= 2.6.0"
+  spec.summary = 'An opiniated Gem for Rails applications to implement the transactional outbox pattern.'
+  spec.description = 'The Outboxable Gem is tailored for Rails applications to implement the transactional outbox pattern. It currently only supports ActiveRecord.'
+  spec.homepage = 'https://github.com/broosk1993/outboxable'
+  spec.license = 'MIT'
+  spec.required_ruby_version = '>= 2.6.0'
 
   spec.metadata['allowed_push_host'] = 'https://rubygems.org'
 
-  spec.metadata["homepage_uri"] = spec.homepage
-  spec.metadata["source_code_uri"] = "https://github.com/broosk1993/outboxable"
-  spec.metadata["changelog_uri"] = "https://github.com/broosk1993/outboxable/blob/main/CHANGELOG.md"
+  spec.metadata['homepage_uri'] = spec.homepage
+  spec.metadata['source_code_uri'] = 'https://github.com/broosk1993/outboxable'
+  spec.metadata['changelog_uri'] = 'https://github.com/broosk1993/outboxable/blob/main/CHANGELOG.md'
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
@@ -27,10 +27,11 @@ Gem::Specification.new do |spec|
       (f == __FILE__) || f.match(%r{\A(?:(?:bin|test|spec|features)/|\.(?:git|circleci)|appveyor)})
     end
   end
-  spec.bindir = "exe"
+  spec.bindir = 'exe'
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
-  spec.require_paths = ["lib"]
-  
+  spec.require_paths = ['lib']
+
   spec.add_dependency 'bunny', '>= 2.19.0'
   spec.add_dependency 'connection_pool', '~> 2.3.0'
+  spec.metadata['rubygems_mfa_required'] = 'true'
 end
diff --git a/spec/outboxable_spec.rb b/spec/outboxable_spec.rb
index bb14278..a4ea90a 100644
--- a/spec/outboxable_spec.rb
+++ b/spec/outboxable_spec.rb
@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
 RSpec.describe Outboxable do
-  it "has a version number" do
+  it 'has a version number' do
     expect(Outboxable::VERSION).not_to be nil
   end
 
-  it "does something useful" do
+  it 'does something useful' do
     expect(true).to eq(true)
   end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 42b359d..6b08523 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
-require "outboxable"
+require 'outboxable'
 
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure
-  config.example_status_persistence_file_path = ".rspec_status"
+  config.example_status_persistence_file_path = '.rspec_status'
 
   # Disable RSpec exposing methods globally on `Module` and `main`
   config.disable_monkey_patching!