diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..1f82dc8
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,42 @@
+name: 'CI/CD Pipeline'
+
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+
+    env:
+      RAILS_ENV: test
+      GEMFILE_RUBY_VERSION: 3.0.3
+
+      # Rails verifies the time zone in DB is the same as the time zone of the Rails app
+      TZ: "Europe/London"
+
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.0.3
+          # runs 'bundle install' and caches installed gems automatically
+          bundler-cache: true
+
+      - name: Run tests
+        run: |
+          bundle exec rake spec
+
diff --git a/.rubocop.yml b/.rubocop.yml
index eb429ff..88460ce 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -4,6 +4,24 @@ AllCops:
     - '**/Rakefile'
   UseCache: true
 
+Layout/LineLength:
+  Description: Limit lines to 80 characters.
+  StyleGuide: https://github.com/bbatsov/ruby-style-guide#80-character-limits
+  Enabled: true
+  Max: 100
+  AllowURI: true
+  URISchemes:
+  - http
+  - https
+Layout/DotPosition:
+  Description: Checks the position of the dot in multi-line method calls.
+  StyleGuide: https://github.com/bbatsov/ruby-style-guide#consistent-multi-line-chains
+  Enabled: true
+  EnforcedStyle: trailing
+  SupportedStyles:
+  - leading
+  - trailing
+
 Lint/AssignmentInCondition:
   Description: Don't use assignment in conditions.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#safe-assignment-in-condition
@@ -12,11 +30,11 @@ Lint/AssignmentInCondition:
 Lint/EachWithObjectArgument:
   Description: Check for immutable argument given to each_with_object.
   Enabled: true
-Lint/HandleExceptions:
+Lint/SuppressedException:
   Description: Don't suppress exception.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#dont-hide-exceptions
   Enabled: true
-Lint/LiteralInCondition:
+Lint/LiteralAsCondition:
   Description: Checks of literals used in conditions.
   Enabled: true
 Lint/LiteralInInterpolation:
@@ -46,15 +64,6 @@ Metrics/CyclomaticComplexity:
     cases needed to validate a method.
   Enabled: true
   Max: 6
-Metrics/LineLength:
-  Description: Limit lines to 80 characters.
-  StyleGuide: https://github.com/bbatsov/ruby-style-guide#80-character-limits
-  Enabled: true
-  Max: 100
-  AllowURI: true
-  URISchemes:
-  - http
-  - https
 Metrics/MethodLength:
   Description: Avoid methods longer than 10 lines of code.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#short-methods
@@ -82,21 +91,27 @@ Metrics/PerceivedComplexity:
   Enabled: true
   Max: 7
 
-Rails/ScopeArgs:
-  Description: Checks the arguments of ActiveRecord scopes.
+Naming/AccessorMethodName:
+  Description: Check the naming of accessor methods for get_/set_.
+  Enabled: false
+Naming/FileName:
+  Description: Use snake_case for source file names.
+  StyleGuide: https://github.com/bbatsov/ruby-style-guide#snake-case-files
   Enabled: true
-Rails/TimeZone:
-  # The value `strict` means that `Time` should be used with `zone`.
-  # The value `flexible` allows usage of `in_time_zone` instead of `zone`.
+  Exclude: []
+Naming/PredicateName:
+  Description: Check the names of predicate methods.
+  StyleGuide: https://github.com/bbatsov/ruby-style-guide#bool-methods-qmark
   Enabled: true
-  EnforcedStyle: flexible
-  SupportedStyles:
-    - strict
-    - flexible
+  NamePrefix:
+  - is_
+  - has_
+  - have_
+  ForbiddenPrefixes:
+  - is_
+  Exclude:
+  - spec/**/*
 
-Style/AccessorMethodName:
-  Description: Check the naming of accessor methods for get_/set_.
-  Enabled: false
 Style/AndOr:
   Description: Use &&/|| instead of and/or.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#no-and-or-or
@@ -127,14 +142,6 @@ Style/CollectionMethods:
 Style/Documentation:
   Description: Document classes and non-namespace modules.
   Enabled: false
-Style/DotPosition:
-  Description: Checks the position of the dot in multi-line method calls.
-  StyleGuide: https://github.com/bbatsov/ruby-style-guide#consistent-multi-line-chains
-  Enabled: true
-  EnforcedStyle: trailing
-  SupportedStyles:
-  - leading
-  - trailing
 Style/DoubleNegation:
   Description: Checks for uses of double negation (!!).
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#no-bang-bang
@@ -146,11 +153,6 @@ Style/EmptyLiteral:
   Description: Prefer literals to Array.new/Hash.new/String.new.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#literal-array-hash
   Enabled: true
-Style/FileName:
-  Description: Use snake_case for source file names.
-  StyleGuide: https://github.com/bbatsov/ruby-style-guide#snake-case-files
-  Enabled: true
-  Exclude: []
 Style/GuardClause:
   Description: Check for conditionals that can be replaced with guard clauses
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#no-nested-conditionals
@@ -160,7 +162,6 @@ Style/IfUnlessModifier:
   Description: Favor modifier if/unless usage when you have a single-line body.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#if-as-a-modifier
   Enabled: false
-  MaxLineLength: 80
 Style/InlineComment:
   Description: Avoid inline comments.
   Enabled: false
@@ -193,18 +194,6 @@ Style/PerlBackrefs:
   Description: Avoid Perl-style regex back references.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#no-perl-regexp-last-matchers
   Enabled: false
-Style/PredicateName:
-  Description: Check the names of predicate methods.
-  StyleGuide: https://github.com/bbatsov/ruby-style-guide#bool-methods-qmark
-  Enabled: true
-  NamePrefix:
-  - is_
-  - has_
-  - have_
-  NamePrefixBlacklist:
-  - is_
-  Exclude:
-  - spec/**/*
 Style/RaiseArgs:
   Description: Checks the arguments passed to raise/fail.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#exception-class-messages
@@ -272,7 +261,16 @@ Style/TrailingCommaInArguments:
   - comma
   - consistent_comma
   - no_comma
-Style/TrailingCommaInLiteral:
+Style/TrailingCommaInArrayLiteral:
+  Description: 'Checks for trailing comma in array and hash literals.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-array-commas'
+  Enabled: true
+  EnforcedStyleForMultiline: no_comma
+  SupportedStyles:
+  - comma
+  - consistent_comma
+  - no_comma
+Style/TrailingCommaInHashLiteral:
   Description: 'Checks for trailing comma in array and hash literals.'
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-array-commas'
   Enabled: true
diff --git a/Gemfile b/Gemfile
index 810ce29..dd64f57 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,30 +1,34 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in devise_ip_filter.gemspec
 gemspec
 
-rails_version = ENV["RAILS_VERSION"] || "default"
+rails_version = ENV['RAILS_VERSION'] || 'default'
 
 rails = case rails_version
-        when "master"
-          {github: "rails/rails"}
-        when "default"
-          "~> 5.2"
+        when 'master'
+          { github: 'rails/rails' }
+        when 'default'
+          '~> 7.0.1'
         else
           "~> #{rails_version}"
         end
 
-gem "rails", rails
+gem 'rails', rails
 
 if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.2.0')
-  gem "test-unit", "~> 3.0"
+  gem 'test-unit', '~> 3.0'
 end
 
 group :test, :development do
+  gem 'pry'
+  gem 'sprockets-rails'
   gem 'sqlite3'
 end
 
 group :test do
-  gem 'rack_session_access'
   gem 'ammeter'
+  gem 'rack_session_access'
 end
diff --git a/README.md b/README.md
index f4f91d1..ea372ba 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,6 @@
 # Two factor authentication for Devise
 
-[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/Houdini/two_factor_authentication?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-
-[![Build Status](https://travis-ci.org/Houdini/two_factor_authentication.svg?branch=master)](https://travis-ci.org/Houdini/two_factor_authentication)
+[![Build Status](https://github.com/baarkerlounger/two_factor_authentication/actions/workflows/tests.yml/badge.svg?branch=master&event=push)](https://github.com/baarkerlounger/two_factor_authentication/actions/workflows/tests.yml)
 [![Code Climate](https://codeclimate.com/github/Houdini/two_factor_authentication.svg)](https://codeclimate.com/github/Houdini/two_factor_authentication)
 
 ## Features
diff --git a/Rakefile b/Rakefile
index 7723dfb..1012285 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,14 +1,16 @@
-require "bundler/gem_tasks"
+# frozen_string_literal: true
 
-APP_RAKEFILE = File.expand_path("../spec/rails_app/Rakefile", __FILE__)
+require 'bundler/gem_tasks'
+
+APP_RAKEFILE = File.expand_path('spec/rails_app/Rakefile', __dir__)
 load 'rails/tasks/engine.rake'
 
 require 'rspec/core/rake_task'
 
-desc "Run all specs in spec directory (excluding plugin specs)"
-RSpec::Core::RakeTask.new(:spec => 'app:db:test:prepare')
+desc 'Run all specs in spec directory (excluding plugin specs)'
+RSpec::Core::RakeTask.new(spec: 'app:db:test:prepare')
 
-task :default => :spec
+task default: :spec
 
 # To test against a specific version of Rails
 # export RAILS_VERSION=3.2.0; bundle update; rake
diff --git a/app/controllers/devise/two_factor_authentication_controller.rb b/app/controllers/devise/two_factor_authentication_controller.rb
index 0e7aed8..9430d6a 100644
--- a/app/controllers/devise/two_factor_authentication_controller.rb
+++ b/app/controllers/devise/two_factor_authentication_controller.rb
@@ -8,9 +8,9 @@ class Devise::TwoFactorAuthenticationController < DeviseController
   end
 
   def update
-    render :show and return if params[:code].nil?
+    render :show, status: :unprocessable_entity and return if params_code.empty?
 
-    if resource.authenticate_otp(params[:code])
+    if resource.authenticate_otp(params_code)
       after_two_factor_success_for(resource)
     else
       after_two_factor_fail_for(resource)
@@ -63,9 +63,9 @@ class Devise::TwoFactorAuthenticationController < DeviseController
 
     if resource.max_login_attempts?
       sign_out(resource)
-      render :max_login_attempts_reached
+      render :max_login_attempts_reached, status: :unprocessable_entity
     else
-      render :show
+      render :show, status: :unprocessable_entity
     end
   end
 
@@ -78,7 +78,11 @@ class Devise::TwoFactorAuthenticationController < DeviseController
     @limit = resource.max_login_attempts
     if resource.max_login_attempts?
       sign_out(resource)
-      render :max_login_attempts_reached and return
+      render :max_login_attempts_reached, status: :unprocessable_entity and return
     end
   end
+
+  def params_code
+    params[:code] || params.dig(resource_name, :code)
+  end
 end
diff --git a/lib/two_factor_authentication/models/two_factor_authenticatable.rb b/lib/two_factor_authentication/models/two_factor_authenticatable.rb
index 6d73a0f..d23cae8 100644
--- a/lib/two_factor_authentication/models/two_factor_authenticatable.rb
+++ b/lib/two_factor_authentication/models/two_factor_authenticatable.rb
@@ -101,7 +101,7 @@ module Devise
         def create_direct_otp(options = {})
           # Create a new random OTP and store it in the database
           digits = options[:length] || self.class.direct_otp_length || 6
-          update_attributes(
+          update(
             direct_otp: random_base10(digits),
             direct_otp_sent_at: Time.now.utc
           )
@@ -122,7 +122,7 @@ module Devise
         end
 
         def clear_direct_otp
-          update_attributes(direct_otp: nil, direct_otp_sent_at: nil)
+          update(direct_otp: nil, direct_otp_sent_at: nil)
         end
       end
 
diff --git a/lib/two_factor_authentication/routes.rb b/lib/two_factor_authentication/routes.rb
index 543059a..f198038 100644
--- a/lib/two_factor_authentication/routes.rb
+++ b/lib/two_factor_authentication/routes.rb
@@ -4,8 +4,16 @@ module ActionDispatch::Routing
 
       def devise_two_factor_authentication(mapping, controllers)
         resource :two_factor_authentication, :only => [:show, :update, :resend_code], :path => mapping.path_names[:two_factor_authentication], :controller => controllers[:two_factor_authentication] do
-          collection { get "resend_code" }
+          collection { get resend_code_path(mapping), as: "resend_code" }
         end
       end
+
+      def resend_code_path(mapping)
+        Devise.mappings[resource_name(mapping)].path_names[:two_factor_authentication_resend_code] || "resend_code"
+      end
+
+      def resource_name(mapping)
+        mapping.class_name.underscore.to_sym
+      end
   end
 end
diff --git a/spec/features/two_factor_authenticatable_spec.rb b/spec/features/two_factor_authenticatable_spec.rb
index d433d63..bdca322 100644
--- a/spec/features/two_factor_authenticatable_spec.rb
+++ b/spec/features/two_factor_authenticatable_spec.rb
@@ -12,7 +12,7 @@ feature "User of two factor authentication" do
       end
 
       it 'does not send an SMS before the user has signed in' do
-        expect(SMSProvider.messages).to be_empty
+        expect(SmsProvider.messages).to be_empty
       end
 
       it 'sends code via SMS after sign in' do
@@ -21,8 +21,8 @@ feature "User of two factor authentication" do
 
         expect(page).to have_content 'Enter the code that was sent to you'
 
-        expect(SMSProvider.messages.size).to eq(1)
-        message = SMSProvider.last_message
+        expect(SmsProvider.messages.size).to eq(1)
+        message = SmsProvider.last_message
         expect(message.to).to eq(user.phone_number)
         expect(message.body).to eq(user.reload.direct_otp)
       end
@@ -33,12 +33,13 @@ feature "User of two factor authentication" do
 
         expect(page).to have_content('You are signed in as Marissa')
 
-        fill_in 'code', with: SMSProvider.last_message.body
+        fill_in 'code', with: SmsProvider.last_message.body
         click_button 'Submit'
 
-        within('.flash.notice') do
-          expect(page).to have_content('Two factor authentication successful.')
-        end
+        expect(page).to have_selector(
+          ".notice",
+          text: "Two factor authentication successful."
+        )
 
         expect(current_path).to eq root_path
       end
@@ -67,7 +68,7 @@ feature "User of two factor authentication" do
 
       expect(page).to_not have_content("Your Personal Dashboard")
 
-      fill_in "code", with: SMSProvider.last_message.body
+      fill_in "code", with: SmsProvider.last_message.body
       click_button "Submit"
 
       expect(page).to have_content("Your Personal Dashboard")
@@ -85,9 +86,7 @@ feature "User of two factor authentication" do
         fill_in "code", with: "incorrect#{rand(100)}"
         click_button "Submit"
 
-        within(".flash.alert") do
-          expect(page).to have_content("Attempt failed")
-        end
+        expect(page).to have_selector(".alert", text: "Attempt failed")
       end
 
       expect(page).to have_content("Access completely denied")
@@ -154,9 +153,9 @@ feature "User of two factor authentication" do
       end
 
       def sms_sign_in
-        SMSProvider.messages.clear()
+        SmsProvider.messages.clear()
         visit user_two_factor_authentication_path
-        fill_in 'code', with: SMSProvider.last_message.body
+        fill_in 'code', with: SmsProvider.last_message.body
         click_button 'Submit'
       end
 
diff --git a/spec/lib/two_factor_authentication/models/two_factor_authenticatable_spec.rb b/spec/lib/two_factor_authentication/models/two_factor_authenticatable_spec.rb
index 6fb4f50..6e58fd1 100644
--- a/spec/lib/two_factor_authentication/models/two_factor_authenticatable_spec.rb
+++ b/spec/lib/two_factor_authentication/models/two_factor_authenticatable_spec.rb
@@ -138,7 +138,7 @@ describe Devise::Models::TwoFactorAuthenticatable do
 
         it "returns uri with user's email" do
           expect(instance.provisioning_uri).
-            to match(%r{otpauth://totp/houdini@example.com\?secret=\w{32}})
+            to match(%r{otpauth://totp/houdini%40example.com\?secret=\w{32}})
         end
 
         it 'returns uri with issuer option' do
diff --git a/spec/rails_app/Rakefile b/spec/rails_app/Rakefile
old mode 100644
new mode 100755
index 3645852..7624cc4
--- a/spec/rails_app/Rakefile
+++ b/spec/rails_app/Rakefile
@@ -1,7 +1,9 @@
 #!/usr/bin/env rake
+# frozen_string_literal: true
+
 # Add your own tasks in files placed in lib/tasks ending in .rake,
 # for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
 
-require File.expand_path('../config/application', __FILE__)
+require File.expand_path('config/application', __dir__)
 
 Dummy::Application.load_tasks
diff --git a/spec/rails_app/app/assets/config/manifest.js b/spec/rails_app/app/assets/config/manifest.js
new file mode 100644
index 0000000..21a7880
--- /dev/null
+++ b/spec/rails_app/app/assets/config/manifest.js
@@ -0,0 +1,2 @@
+//= link_directory ../javascripts .js
+//= link_directory ../stylesheets .css
diff --git a/spec/rails_app/app/models/guest_user.rb b/spec/rails_app/app/models/guest_user.rb
index 8003624..1222279 100644
--- a/spec/rails_app/app/models/guest_user.rb
+++ b/spec/rails_app/app/models/guest_user.rb
@@ -7,7 +7,7 @@ class GuestUser
   attr_accessor :direct_otp, :direct_otp_sent_at, :otp_secret_key, :email,
     :second_factor_attempts_count, :totp_timestamp
 
-  def update_attributes(attrs)
+  def update(attrs)
     attrs.each do |key, value|
       send(key.to_s + '=', value)
     end
diff --git a/spec/rails_app/app/models/user.rb b/spec/rails_app/app/models/user.rb
index 2093f61..edb1e4f 100644
--- a/spec/rails_app/app/models/user.rb
+++ b/spec/rails_app/app/models/user.rb
@@ -5,7 +5,7 @@ class User < ActiveRecord::Base
   has_one_time_password
 
   def send_two_factor_authentication_code(code)
-    SMSProvider.send_message(to: phone_number, body: code)
+    SmsProvider.send_message(to: phone_number, body: code)
   end
 
   def phone_number
diff --git a/spec/rails_app/lib/sms_provider.rb b/spec/rails_app/lib/sms_provider.rb
index 363ac10..b70f6e5 100644
--- a/spec/rails_app/lib/sms_provider.rb
+++ b/spec/rails_app/lib/sms_provider.rb
@@ -1,6 +1,6 @@
 require 'ostruct'
 
-class SMSProvider
+class SmsProvider
   Message = Class.new(OpenStruct)
 
   class_attribute :messages
diff --git a/spec/rails_app/script/rails b/spec/rails_app/script/rails
index f8da2cf..8c3e6bb 100755
--- a/spec/rails_app/script/rails
+++ b/spec/rails_app/script/rails
@@ -1,6 +1,9 @@
 #!/usr/bin/env ruby
-# This command will automatically be run when you run "rails" with Rails 3 gems installed from the root of your application.
+# frozen_string_literal: true
 
-APP_PATH = File.expand_path('../../config/application',  __FILE__)
-require File.expand_path('../../config/boot',  __FILE__)
+# This command will automatically be run when you run "rails" with Rails 3
+# gems installed from the root of your application.
+
+APP_PATH = File.expand_path('../config/application', __dir__)
+require File.expand_path('../config/boot', __dir__)
 require 'rails/commands'
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 6370433..80bacae 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -24,3 +24,4 @@ RSpec.configure do |config|
 end
 
 Dir["#{Dir.pwd}/spec/support/**/*.rb"].each {|f| require f}
+Dir["#{Dir.pwd}/spec/rails_app/lib/*.rb"].each {|f| require f}
diff --git a/spec/support/sms_provider.rb b/spec/support/sms_provider.rb
index 95556e1..eb37280 100644
--- a/spec/support/sms_provider.rb
+++ b/spec/support/sms_provider.rb
@@ -1,5 +1,5 @@
 RSpec.configure do |c|
   c.before(:each) do
-    SMSProvider.messages.clear
+    SmsProvider.messages.clear
   end
 end