diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..d0f2e7a
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,12 @@
+# Dependabot update strategy
+version: 2
+updates:
+  - package-ecosystem: bundler
+    directory: "/"
+    schedule:
+      interval: weekly
+    allow:
+      # Automatically keep all runtime dependencies updated
+      - dependency-name: "*"
+        dependency-type: "production"
+    versioning-strategy: lockfile-only
diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
new file mode 100644
index 0000000..26f6e72
--- /dev/null
+++ b/.github/workflows/continuous_integration.yml
@@ -0,0 +1,84 @@
+name: Continuous Integration
+
+on:
+  push:
+    branches:
+      - master
+      - actions-*
+    tags:
+      - v*
+  pull_request:
+    branches-ignore:
+      - actions-*
+
+env:
+  BUNDLE_CLEAN: "true"
+  BUNDLE_PATH: vendor/bundle
+  BUNDLE_JOBS: 3
+  BUNDLE_RETRY: 3
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - ruby: "ruby"
+            standardrb: true
+          - ruby: "3.2"
+            appraisal: "activerecord_7.0"
+          - ruby: "3.1"
+            appraisal: "activerecord_6.1"
+          - ruby: "2.7"
+            appraisal: "activerecord_6.0"
+          - ruby: "2.7"
+            appraisal: "activerecord_5.2"
+          - ruby: "2.6"
+            appraisal: "activerecord_5.1"
+          - ruby: "2.6"
+            appraisal: "activerecord_5.0"
+          - ruby: "2.5"
+            appraisal: "activerecord_4.2"
+          - ruby: "2.5"
+            appraisal: "activerecord_4.1"
+          - ruby: "2.5"
+            appraisal: "activerecord_4.0"
+          - ruby: "3.2"
+            appraisal: "sidekiq_7"
+          - ruby: "3.0"
+            appraisal: "sidekiq_6"
+          - ruby: "2.7"
+            appraisal: "sidekiq_5"
+          - ruby: "2.6"
+            appraisal: "sidekiq_4"
+          - ruby: "2.5"
+            appraisal: "sidekiq_3"
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Ruby ${{ matrix.ruby }}
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: "${{ matrix.ruby }}"
+    - name: Install packages
+      run: |
+        sudo apt-get update
+        sudo apt-get install libsqlite3-dev
+    - name: Setup bundler
+      if: matrix.bundler != ''
+      run: |
+        gem uninstall bundler --all
+        gem install bundler --no-document --version ${{ matrix.bundler }}
+    - name: Set Appraisal bundle
+      if: matrix.appraisal != ''
+      run: |
+        echo "using gemfile gemfiles/${{ matrix.appraisal }}.gemfile"
+        bundle config set gemfile "gemfiles/${{ matrix.appraisal }}.gemfile"
+    - name: Install gems
+      run: |
+        bundle update
+    - name: Run Tests
+      run: bundle exec rake
+    - name: standardrb
+      if:   matrix.standardrb == true
+      run:  bundle exec rake standard
diff --git a/.gitignore b/.gitignore
index 5dc914a..90f9586 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,13 +1,13 @@
-/.bundle/
-/.yardoc
-/_yardoc/
-/coverage/
-/doc/
-/pkg/
-/spec/reports/
-/tmp/
-
 .DS_Store
-
-# rspec failure tracking
-.rspec_status
+.bundle/
+.rspec
+.ruby-version
+.yardoc/
+.env
+Gemfile.lock
+coverage/
+gemfiles/*.gemfile.lock
+log/*.log
+pkg/
+rdoc/
+doc/
diff --git a/.standard.yml b/.standard.yml
new file mode 100644
index 0000000..b2ec4a5
--- /dev/null
+++ b/.standard.yml
@@ -0,0 +1,9 @@
+format: progress
+
+ruby_version: 2.5
+
+ignore:
+  - 'spec/**/*':
+    - Lint/ConstantDefinitionInBlock
+    - Lint/UselessAssignment
+
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 4d8ea36..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-language: ruby
-
-before_install:
-  - gem uninstall -v '>= 2' -i $(rvm gemdir)@global -ax bundler || true
-  - gem install bundler -v '< 2'
-
-cache: bundler
-
-branches:
-  # Only build master and release version tags
-  only:
-    - master
-    - /^v\d+\.\d+(\.\d+)?(-\S*)?$/
-    - travis
-
-rvm:
-  - "2.6"
-
-gemfile:
-  - Gemfile
-
-matrix:
-  include:
-  - rvm: "2.6"
-    gemfile: Gemfile
-
-  - rvm: "2.5"
-    gemfile: gemfiles/activerecord_5.2.gemfile
-  - rvm: "2.5"
-    gemfile: gemfiles/activerecord_5.1.gemfile
-  - rvm: "2.5"
-    gemfile: gemfiles/activerecord_5.0.gemfile
-  - rvm: "2.5"
-    gemfile: gemfiles/activerecord_4.2.gemfile
-  - rvm: "2.5"
-    gemfile: gemfiles/sidekiq_5.gemfile
-  - rvm: "2.5"
-    gemfile: gemfiles/sidekiq_4.gemfile
-
-  - rvm: "2.2.2"
-    gemfile: gemfiles/activerecord_4.1.gemfile
-  - rvm: "2.2.2"
-    gemfile: gemfiles/activerecord_4.0.gemfile
-  - rvm: "2.2.2"
-    gemfile: gemfiles/sidekiq_3.gemfile
-
-script:
-  - gem list bundler
-  - bundle exec rake spec
-
-env:
-  RACK_ENV: ""
-  RAILS_ENV: ""
diff --git a/Appraisals b/Appraisals
index f0be96d..a89ff4f 100644
--- a/Appraisals
+++ b/Appraisals
@@ -3,8 +3,8 @@
 # The code is a little more tightly integrated with ActiveRecord so check
 # all minor releases. Only need to sanity check major releases of Sidekiq.
 
-RAILS_MINOR_RELEASES = ["6.0", "5.2", "5.1", "5.0", "4.2", "4.1", "4.0"].freeze
-SIDEKIQ_MAJOR_RELEASES = ["6", "5", "4", "3"].freeze
+RAILS_MINOR_RELEASES = ["7.0", "6.1", "6.0", "5.2", "5.1", "5.0", "4.2", "4.1", "4.0"].freeze
+SIDEKIQ_MAJOR_RELEASES = ["7", "6", "5", "4", "3"].freeze
 
 RAILS_MINOR_RELEASES.each do |version|
   appraise "activerecord-#{version}" do
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97e4b82..bb02c1e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,21 @@
-# 1.0.1
+# Changelog
+All notable changes to this project will be documented in this file.
 
-* Sidekiq 6.0 compatibility
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-# 1.0.0
+## 1.0.2
 
-* Initial release
+### Changed
+- Updated database cleaner dependency to use database_cleaner-active_record instead of deprecated database_cleaner gem.
+- Added YARD doc param and return types.
+
+## 1.0.1
+
+### Added
+- Sidekiq 6.0 compatibility
+
+## 1.0.0
+
+### Added
+- Initial release
diff --git a/Gemfile b/Gemfile
index 3d3d584..6f99ebd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,12 @@
 source "https://rubygems.org"
 
-# Cover security vulnerability of not loading github gems over HTTPS (just in case...)
-git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
-
 gemspec
+
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
diff --git a/Gemfile.lock b/Gemfile.lock
index 8687fd4..3bb651e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,76 +1,122 @@
 PATH
   remote: .
   specs:
-    sidekiq-transaction_guard (1.0.1)
+    sidekiq-transaction_guard (1.0.2)
       activerecord (>= 4.0)
       sidekiq (>= 3.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activerecord (6.0.2.1)
-      activemodel (= 6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activesupport (6.0.2.1)
+    activemodel (6.1.7.2)
+      activesupport (= 6.1.7.2)
+    activerecord (6.1.7.2)
+      activemodel (= 6.1.7.2)
+      activesupport (= 6.1.7.2)
+    activesupport (6.1.7.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2)
-    appraisal (2.2.0)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
+    appraisal (2.4.1)
       bundler
       rake
       thor (>= 0.14.0)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (1.8.2)
+    ast (2.4.2)
+    byebug (11.1.3)
+    coderay (1.1.3)
+    concurrent-ruby (1.2.0)
+    connection_pool (2.3.0)
+    database_cleaner-active_record (2.0.1)
+      activerecord (>= 5.a)
+      database_cleaner-core (~> 2.0.0)
+    database_cleaner-core (2.0.1)
+    diff-lcs (1.5.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    minitest (5.14.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (4.1.3)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
+    json (2.6.3)
+    language_server-protocol (3.17.0.3)
+    method_source (1.0.0)
+    minitest (5.17.0)
+    parallel (1.22.1)
+    parser (3.2.1.0)
+      ast (~> 2.4.1)
+    pry (0.13.1)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    pry-byebug (3.9.0)
+      byebug (~> 11.0)
+      pry (~> 0.13.0)
+    rack (2.2.6.2)
+    rainbow (3.1.1)
+    rake (13.0.6)
+    redis (5.0.6)
+      redis-client (>= 0.9.0)
+    redis-client (0.12.1)
+      connection_pool
+    regexp_parser (2.7.0)
+    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 (3.12.1)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.3)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (6.0.4)
+      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)
+      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)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.24.1)
+      parser (>= 3.1.1.0)
+    rubocop-performance (1.15.2)
+      rubocop (>= 1.7.0, < 2.0)
+      rubocop-ast (>= 0.4.0)
+    ruby-progressbar (1.11.0)
+    sidekiq (6.4.2)
       connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
-      rack-protection (>= 2.0.0)
-      redis (>= 4.1.0)
-    sqlite3 (1.4.2)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-    zeitwerk (2.2.2)
+      rack (~> 2.0)
+      redis (>= 4.2.0)
+    sqlite3 (1.6.0-x86_64-darwin)
+    standard (1.24.2)
+      language_server-protocol (~> 3.17.0.2)
+      rubocop (= 1.44.1)
+      rubocop-performance (= 1.15.2)
+    thor (1.2.1)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (2.4.2)
+    webrick (1.7.0)
+    yard (0.9.28)
+      webrick (~> 1.7.0)
+    zeitwerk (2.6.6)
 
 PLATFORMS
-  ruby
+  x86_64-darwin-20
 
 DEPENDENCIES
   appraisal
-  bundler (~> 1.10)
-  database_cleaner
+  database_cleaner-active_record
+  pry-byebug
   rake
   rspec (~> 3.0)
   sidekiq-transaction_guard!
   sqlite3
+  standard (~> 1.0)
+  yard
 
 BUNDLED WITH
-   1.17.2
+   2.3.24
diff --git a/Rakefile b/Rakefile
index 368aa0f..7950adb 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,9 +1,19 @@
+begin
+  require "bundler/setup"
+rescue LoadError
+  puts "You must `gem install bundler` and `bundle install` to run rake tasks"
+end
+
+require "yard"
+YARD::Rake::YardocTask.new(:yard)
+
 require "bundler/gem_tasks"
+
 require "rspec/core/rake_task"
 
 RSpec::Core::RakeTask.new(:spec)
 
-task :default => :appraisals
+task default: :spec
 
 desc "run the specs using appraisal"
 task :appraisals do
@@ -16,3 +26,5 @@ namespace :appraisals do
     exec "bundle exec appraisal install"
   end
 end
+
+require "standard/rake"
diff --git a/VERSION b/VERSION
index 7dea76e..6d7de6e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.1
+1.0.2
diff --git a/gemfiles/activerecord_4.0.gemfile b/gemfiles/activerecord_4.0.gemfile
index 4e2375d..2a79e7f 100644
--- a/gemfiles/activerecord_4.0.gemfile
+++ b/gemfiles/activerecord_4.0.gemfile
@@ -2,8 +2,15 @@
 
 source "https://rubygems.org"
 
-gem "activerecord", "~> 4.0.0"
+gem "rspec", "~> 3.0"
+gem "rake"
 gem "sqlite3", "~> 1.3.0"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
+gem "activerecord", "~> 4.0.0"
 gem "redis", "~> 3.0"
 
 gemspec path: "../"
diff --git a/gemfiles/activerecord_4.0.gemfile.lock b/gemfiles/activerecord_4.0.gemfile.lock
deleted file mode 100644
index b15d614..0000000
--- a/gemfiles/activerecord_4.0.gemfile.lock
+++ /dev/null
@@ -1,83 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (4.0.13)
-      activesupport (= 4.0.13)
-      builder (~> 3.1.0)
-    activerecord (4.0.13)
-      activemodel (= 4.0.13)
-      activerecord-deprecated_finders (~> 1.0.2)
-      activesupport (= 4.0.13)
-      arel (~> 4.0.0)
-    activerecord-deprecated_finders (1.0.4)
-    activesupport (4.0.13)
-      i18n (~> 0.6, >= 0.6.9)
-      minitest (~> 4.2)
-      multi_json (~> 1.3)
-      thread_safe (~> 0.1)
-      tzinfo (~> 0.3.37)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    arel (4.0.2)
-    builder (3.1.4)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (0.9.5)
-      concurrent-ruby (~> 1.0)
-    minitest (4.7.5)
-    multi_json (1.14.1)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (3.3.5)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (5.2.7)
-      connection_pool (~> 2.2, >= 2.2.2)
-      rack (>= 1.5.0)
-      rack-protection (>= 1.5.0)
-      redis (>= 3.3.5, < 5)
-    sqlite3 (1.3.13)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (0.3.54)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activerecord (~> 4.0.0)
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  redis (~> 3.0)
-  rspec (~> 3.0)
-  sidekiq-transaction_guard!
-  sqlite3 (~> 1.3.0)
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/activerecord_4.1.gemfile b/gemfiles/activerecord_4.1.gemfile
index 6b3e2be..926ffcc 100644
--- a/gemfiles/activerecord_4.1.gemfile
+++ b/gemfiles/activerecord_4.1.gemfile
@@ -2,8 +2,15 @@
 
 source "https://rubygems.org"
 
-gem "activerecord", "~> 4.1.0"
+gem "rspec", "~> 3.0"
+gem "rake"
 gem "sqlite3", "~> 1.3.0"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
+gem "activerecord", "~> 4.1.0"
 gem "redis", "~> 3.0"
 
 gemspec path: "../"
diff --git a/gemfiles/activerecord_4.1.gemfile.lock b/gemfiles/activerecord_4.1.gemfile.lock
deleted file mode 100644
index 4b3c7dc..0000000
--- a/gemfiles/activerecord_4.1.gemfile.lock
+++ /dev/null
@@ -1,82 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (4.1.16)
-      activesupport (= 4.1.16)
-      builder (~> 3.1)
-    activerecord (4.1.16)
-      activemodel (= 4.1.16)
-      activesupport (= 4.1.16)
-      arel (~> 5.0.0)
-    activesupport (4.1.16)
-      i18n (~> 0.6, >= 0.6.9)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.1)
-      tzinfo (~> 1.1)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    arel (5.0.1.20140414130214)
-    builder (3.2.3)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (0.9.5)
-      concurrent-ruby (~> 1.0)
-    json (1.8.6)
-    minitest (5.14.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (3.3.5)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (5.2.7)
-      connection_pool (~> 2.2, >= 2.2.2)
-      rack (>= 1.5.0)
-      rack-protection (>= 1.5.0)
-      redis (>= 3.3.5, < 5)
-    sqlite3 (1.3.13)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activerecord (~> 4.1.0)
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  redis (~> 3.0)
-  rspec (~> 3.0)
-  sidekiq-transaction_guard!
-  sqlite3 (~> 1.3.0)
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/activerecord_4.2.gemfile b/gemfiles/activerecord_4.2.gemfile
index d3cfe33..d211802 100644
--- a/gemfiles/activerecord_4.2.gemfile
+++ b/gemfiles/activerecord_4.2.gemfile
@@ -2,8 +2,15 @@
 
 source "https://rubygems.org"
 
-gem "activerecord", "~> 4.2.0"
+gem "rspec", "~> 3.0"
+gem "rake"
 gem "sqlite3", "~> 1.3.0"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
+gem "activerecord", "~> 4.2.0"
 gem "redis", "~> 3.0"
 
 gemspec path: "../"
diff --git a/gemfiles/activerecord_4.2.gemfile.lock b/gemfiles/activerecord_4.2.gemfile.lock
deleted file mode 100644
index 4ce311d..0000000
--- a/gemfiles/activerecord_4.2.gemfile.lock
+++ /dev/null
@@ -1,80 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (4.2.10)
-      activesupport (= 4.2.10)
-      builder (~> 3.1)
-    activerecord (4.2.10)
-      activemodel (= 4.2.10)
-      activesupport (= 4.2.10)
-      arel (~> 6.0)
-    activesupport (4.2.10)
-      i18n (~> 0.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    arel (6.0.4)
-    builder (3.2.3)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (0.9.5)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (3.3.5)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (5.2.7)
-      connection_pool (~> 2.2, >= 2.2.2)
-      rack (>= 1.5.0)
-      rack-protection (>= 1.5.0)
-      redis (>= 3.3.5, < 5)
-    sqlite3 (1.3.13)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activerecord (~> 4.2.0)
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  redis (~> 3.0)
-  rspec (~> 3.0)
-  sidekiq-transaction_guard!
-  sqlite3 (~> 1.3.0)
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/activerecord_5.0.gemfile b/gemfiles/activerecord_5.0.gemfile
index 0f461ab..ddeec28 100644
--- a/gemfiles/activerecord_5.0.gemfile
+++ b/gemfiles/activerecord_5.0.gemfile
@@ -2,7 +2,14 @@
 
 source "https://rubygems.org"
 
-gem "activerecord", "~> 5.0.0"
+gem "rspec", "~> 3.0"
+gem "rake"
 gem "sqlite3", "~> 1.3.0"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
+gem "activerecord", "~> 5.0.0"
 
 gemspec path: "../"
diff --git a/gemfiles/activerecord_5.0.gemfile.lock b/gemfiles/activerecord_5.0.gemfile.lock
deleted file mode 100644
index e692b26..0000000
--- a/gemfiles/activerecord_5.0.gemfile.lock
+++ /dev/null
@@ -1,77 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (5.0.7)
-      activesupport (= 5.0.7)
-    activerecord (5.0.7)
-      activemodel (= 5.0.7)
-      activesupport (= 5.0.7)
-      arel (~> 7.0)
-    activesupport (5.0.7)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    arel (7.1.4)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (1.8.2)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (4.1.3)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (6.0.4)
-      connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
-      rack-protection (>= 2.0.0)
-      redis (>= 4.1.0)
-    sqlite3 (1.3.13)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activerecord (~> 5.0.0)
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  rspec (~> 3.0)
-  sidekiq-transaction_guard!
-  sqlite3 (~> 1.3.0)
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/activerecord_5.1.gemfile b/gemfiles/activerecord_5.1.gemfile
index 16fd5a9..fd76eca 100644
--- a/gemfiles/activerecord_5.1.gemfile
+++ b/gemfiles/activerecord_5.1.gemfile
@@ -2,7 +2,14 @@
 
 source "https://rubygems.org"
 
-gem "activerecord", "~> 5.1.0"
+gem "rspec", "~> 3.0"
+gem "rake"
 gem "sqlite3", "~> 1.3.0"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
+gem "activerecord", "~> 5.1.0"
 
 gemspec path: "../"
diff --git a/gemfiles/activerecord_5.1.gemfile.lock b/gemfiles/activerecord_5.1.gemfile.lock
deleted file mode 100644
index 6c960a6..0000000
--- a/gemfiles/activerecord_5.1.gemfile.lock
+++ /dev/null
@@ -1,77 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (5.1.6)
-      activesupport (= 5.1.6)
-    activerecord (5.1.6)
-      activemodel (= 5.1.6)
-      activesupport (= 5.1.6)
-      arel (~> 8.0)
-    activesupport (5.1.6)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    arel (8.0.0)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (1.8.2)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (4.1.3)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (6.0.4)
-      connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
-      rack-protection (>= 2.0.0)
-      redis (>= 4.1.0)
-    sqlite3 (1.3.13)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activerecord (~> 5.1.0)
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  rspec (~> 3.0)
-  sidekiq-transaction_guard!
-  sqlite3 (~> 1.3.0)
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/activerecord_5.2.gemfile b/gemfiles/activerecord_5.2.gemfile
index 027888d..2e04522 100644
--- a/gemfiles/activerecord_5.2.gemfile
+++ b/gemfiles/activerecord_5.2.gemfile
@@ -2,6 +2,14 @@
 
 source "https://rubygems.org"
 
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
 gem "activerecord", "~> 5.2.0"
 
 gemspec path: "../"
diff --git a/gemfiles/activerecord_5.2.gemfile.lock b/gemfiles/activerecord_5.2.gemfile.lock
deleted file mode 100644
index be72f25..0000000
--- a/gemfiles/activerecord_5.2.gemfile.lock
+++ /dev/null
@@ -1,77 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (5.2.3)
-      activesupport (= 5.2.3)
-    activerecord (5.2.3)
-      activemodel (= 5.2.3)
-      activesupport (= 5.2.3)
-      arel (>= 9.0)
-    activesupport (5.2.3)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    arel (9.0.0)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (1.8.2)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (4.1.3)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (6.0.4)
-      connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
-      rack-protection (>= 2.0.0)
-      redis (>= 4.1.0)
-    sqlite3 (1.4.2)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activerecord (~> 5.2.0)
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  rspec (~> 3.0)
-  sidekiq-transaction_guard!
-  sqlite3
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/activerecord_6.0.gemfile b/gemfiles/activerecord_6.0.gemfile
index b07bd13..293fcc5 100644
--- a/gemfiles/activerecord_6.0.gemfile
+++ b/gemfiles/activerecord_6.0.gemfile
@@ -2,6 +2,14 @@
 
 source "https://rubygems.org"
 
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
 gem "activerecord", "~> 6.0.0"
 
 gemspec path: "../"
diff --git a/gemfiles/activerecord_6.0.gemfile.lock b/gemfiles/activerecord_6.0.gemfile.lock
deleted file mode 100644
index a4b281a..0000000
--- a/gemfiles/activerecord_6.0.gemfile.lock
+++ /dev/null
@@ -1,77 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activerecord (6.0.2.1)
-      activemodel (= 6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activesupport (6.0.2.1)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (1.8.2)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (4.1.3)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (6.0.4)
-      connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
-      rack-protection (>= 2.0.0)
-      redis (>= 4.1.0)
-    sqlite3 (1.4.2)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-    zeitwerk (2.2.2)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activerecord (~> 6.0.0)
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  rspec (~> 3.0)
-  sidekiq-transaction_guard!
-  sqlite3
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/activerecord_6.1.gemfile b/gemfiles/activerecord_6.1.gemfile
new file mode 100644
index 0000000..57948f0
--- /dev/null
+++ b/gemfiles/activerecord_6.1.gemfile
@@ -0,0 +1,15 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
+gem "activerecord", "~> 6.1.0"
+
+gemspec path: "../"
diff --git a/gemfiles/activerecord_7.0.gemfile b/gemfiles/activerecord_7.0.gemfile
new file mode 100644
index 0000000..d8eca7c
--- /dev/null
+++ b/gemfiles/activerecord_7.0.gemfile
@@ -0,0 +1,15 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
+gem "activerecord", "~> 7.0.0"
+
+gemspec path: "../"
diff --git a/gemfiles/sidekiq_3.gemfile b/gemfiles/sidekiq_3.gemfile
index bfd96fd..9288cea 100644
--- a/gemfiles/sidekiq_3.gemfile
+++ b/gemfiles/sidekiq_3.gemfile
@@ -2,9 +2,16 @@
 
 source "https://rubygems.org"
 
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3", "~> 1.3.0"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
 gem "sidekiq", "~> 3.0"
 gem "redis", "~> 3.0"
 gem "activerecord", "~> 4.2"
-gem "sqlite3", "~> 1.3.0"
 
 gemspec path: "../"
diff --git a/gemfiles/sidekiq_3.gemfile.lock b/gemfiles/sidekiq_3.gemfile.lock
deleted file mode 100644
index 0c9c411..0000000
--- a/gemfiles/sidekiq_3.gemfile.lock
+++ /dev/null
@@ -1,100 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (4.2.10)
-      activesupport (= 4.2.10)
-      builder (~> 3.1)
-    activerecord (4.2.10)
-      activemodel (= 4.2.10)
-      activesupport (= 4.2.10)
-      arel (~> 6.0)
-    activesupport (4.2.10)
-      i18n (~> 0.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    arel (6.0.4)
-    builder (3.2.3)
-    celluloid (0.17.4)
-      celluloid-essentials
-      celluloid-extras
-      celluloid-fsm
-      celluloid-pool
-      celluloid-supervision
-      timers (>= 4.1.1)
-    celluloid-essentials (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-extras (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-fsm (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-pool (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-supervision (0.20.6)
-      timers (>= 4.1.1)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (0.9.5)
-      concurrent-ruby (~> 1.0)
-    json (1.8.6)
-    minitest (5.14.0)
-    rake (13.0.1)
-    redis (3.3.5)
-    redis-namespace (1.6.0)
-      redis (>= 3.0.4)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (3.5.4)
-      celluloid (~> 0.17.2)
-      connection_pool (~> 2.2, >= 2.2.0)
-      json (~> 1.0)
-      redis (~> 3.2, >= 3.2.1)
-      redis-namespace (~> 1.5, >= 1.5.2)
-    sqlite3 (1.3.13)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    timers (4.3.0)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  activerecord (~> 4.2)
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  redis (~> 3.0)
-  rspec (~> 3.0)
-  sidekiq (~> 3.0)
-  sidekiq-transaction_guard!
-  sqlite3 (~> 1.3.0)
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/sidekiq_4.gemfile b/gemfiles/sidekiq_4.gemfile
index 9ef2d59..ee2af95 100644
--- a/gemfiles/sidekiq_4.gemfile
+++ b/gemfiles/sidekiq_4.gemfile
@@ -2,6 +2,14 @@
 
 source "https://rubygems.org"
 
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
 gem "sidekiq", "~> 4.0"
 
 gemspec path: "../"
diff --git a/gemfiles/sidekiq_4.gemfile.lock b/gemfiles/sidekiq_4.gemfile.lock
deleted file mode 100644
index 03bbcce..0000000
--- a/gemfiles/sidekiq_4.gemfile.lock
+++ /dev/null
@@ -1,77 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activerecord (6.0.2.1)
-      activemodel (= 6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activesupport (6.0.2.1)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (1.8.2)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (3.3.5)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (4.2.10)
-      concurrent-ruby (~> 1.0)
-      connection_pool (~> 2.2, >= 2.2.0)
-      rack-protection (>= 1.5.0)
-      redis (~> 3.2, >= 3.2.1)
-    sqlite3 (1.4.2)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-    zeitwerk (2.2.2)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  rspec (~> 3.0)
-  sidekiq (~> 4.0)
-  sidekiq-transaction_guard!
-  sqlite3
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/sidekiq_5.gemfile b/gemfiles/sidekiq_5.gemfile
index 02d5200..463ff6e 100644
--- a/gemfiles/sidekiq_5.gemfile
+++ b/gemfiles/sidekiq_5.gemfile
@@ -2,6 +2,14 @@
 
 source "https://rubygems.org"
 
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
 gem "sidekiq", "~> 5.0"
 
 gemspec path: "../"
diff --git a/gemfiles/sidekiq_5.gemfile.lock b/gemfiles/sidekiq_5.gemfile.lock
deleted file mode 100644
index 3aba864..0000000
--- a/gemfiles/sidekiq_5.gemfile.lock
+++ /dev/null
@@ -1,77 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activerecord (6.0.2.1)
-      activemodel (= 6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activesupport (6.0.2.1)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (1.8.2)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (4.1.3)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (5.2.7)
-      connection_pool (~> 2.2, >= 2.2.2)
-      rack (>= 1.5.0)
-      rack-protection (>= 1.5.0)
-      redis (>= 3.3.5, < 5)
-    sqlite3 (1.4.2)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-    zeitwerk (2.2.2)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  rspec (~> 3.0)
-  sidekiq (~> 5.0)
-  sidekiq-transaction_guard!
-  sqlite3
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/sidekiq_6.gemfile b/gemfiles/sidekiq_6.gemfile
index 49927d7..2a641ab 100644
--- a/gemfiles/sidekiq_6.gemfile
+++ b/gemfiles/sidekiq_6.gemfile
@@ -2,6 +2,14 @@
 
 source "https://rubygems.org"
 
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
 gem "sidekiq", "~> 6.0"
 
 gemspec path: "../"
diff --git a/gemfiles/sidekiq_6.gemfile.lock b/gemfiles/sidekiq_6.gemfile.lock
deleted file mode 100644
index 1a47afc..0000000
--- a/gemfiles/sidekiq_6.gemfile.lock
+++ /dev/null
@@ -1,77 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    sidekiq-transaction_guard (1.0.1)
-      activerecord (>= 4.0)
-      sidekiq (>= 3.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activerecord (6.0.2.1)
-      activemodel (= 6.0.2.1)
-      activesupport (= 6.0.2.1)
-    activesupport (6.0.2.1)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2)
-    appraisal (2.2.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
-    database_cleaner (1.7.0)
-    diff-lcs (1.3)
-    i18n (1.8.2)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
-    rake (13.0.1)
-    redis (4.1.3)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    sidekiq (6.0.4)
-      connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
-      rack-protection (>= 2.0.0)
-      redis (>= 4.1.0)
-    sqlite3 (1.4.2)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.6)
-      thread_safe (~> 0.1)
-    zeitwerk (2.2.2)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  appraisal
-  bundler (~> 1.10)
-  database_cleaner
-  rake
-  rspec (~> 3.0)
-  sidekiq (~> 6.0)
-  sidekiq-transaction_guard!
-  sqlite3
-
-BUNDLED WITH
-   1.17.2
diff --git a/gemfiles/sidekiq_7.gemfile b/gemfiles/sidekiq_7.gemfile
new file mode 100644
index 0000000..f19a539
--- /dev/null
+++ b/gemfiles/sidekiq_7.gemfile
@@ -0,0 +1,15 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3"
+gem "database_cleaner-active_record"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
+gem "sidekiq", "~> 7.0"
+
+gemspec path: "../"
diff --git a/lib/sidekiq-transaction_guard.rb b/lib/sidekiq-transaction_guard.rb
index 1d0417a..4c7c64d 100644
--- a/lib/sidekiq-transaction_guard.rb
+++ b/lib/sidekiq-transaction_guard.rb
@@ -1 +1,3 @@
+# frozen_string_literal: true
+
 require_relative "sidekiq/transaction_guard"
diff --git a/lib/sidekiq/transaction_guard.rb b/lib/sidekiq/transaction_guard.rb
index 5edb1cf..1dce7e6 100644
--- a/lib/sidekiq/transaction_guard.rb
+++ b/lib/sidekiq/transaction_guard.rb
@@ -1,10 +1,9 @@
 # frozen_string_literal: true
 
-require 'sidekiq'
-require 'set'
-require 'thread'
+require "sidekiq"
+require "set"
 
-require_relative 'transaction_guard/middleware'
+require_relative "transaction_guard/middleware"
 
 module Sidekiq
   module TransactionGuard
@@ -26,6 +25,9 @@ class << self
       # * :stderr - Log to STDERR
       # * :error - Throw a `Sidekiq::TransactionGuard::InsideTransactionError`
       # * :disabled - Allow workers inside of transactions
+      #
+      # @param mode [Symbol]
+      # @return [void]
       def mode=(symbol)
         if VALID_MODES.include?(symbol)
           @mode = symbol
@@ -35,18 +37,22 @@ def mode=(symbol)
       end
 
       # Return the current mode.
-      def mode
-        @mode
-      end
+      #
+      # @return [Symbol]
+      attr_reader :mode
 
       # Define the global notify block. This block will be called with a Sidekiq
       # job hash for all jobs enqueued inside transactions if the mode is `:warn`
       # or `:stderr`.
+      #
+      # @return [void]
       def notify(&block)
         @notify = block
       end
 
       # Return the block set as the notify handler with a call to `notify`.
+      #
+      # @return [Proc]
       def notify_block
         @notify
       end
@@ -55,15 +61,20 @@ def notify_block
       # being monitored for open transactions. You don't need to add `ActiveRecord::Base`
       # or subclasses. Only the base class that establishes a new connection pool
       # with a call to `establish_connection` needs to be added.
+      #
+      # @param connection_class [Class]
+      # @return [void]
       def add_connection_class(connection_class)
-        @lock.synchronize{ @connection_classes << connection_class }
+        @lock.synchronize { @connection_classes << connection_class }
       end
 
       # Return true if any connection is currently inside of a transaction.
+      #
+      # @return [Boolean]
       def in_transaction?
         connection_classes = [ActiveRecord::Base]
         unless @connection_classes.empty?
-          connection_classes.concat(@lock.synchronize{ @connection_classes.to_a })
+          connection_classes.concat(@lock.synchronize { @connection_classes.to_a })
         end
         connection_classes.any? do |connection_class|
           connection_pool = connection_class.connection_pool
@@ -78,6 +89,8 @@ def in_transaction?
 
       # This method call needs to be wrapped around tests that use transactional fixtures.
       # It sets up data structures used to track the number of open transactions.
+      #
+      # @return [Object] the return value of the block
       def testing(&block)
         var = :sidekiq_rails_transaction_guard
         save_val = Thread.current[var]
@@ -93,6 +106,9 @@ def testing(&block)
       # class (see `add_connection_class` for more info). The current transaction level
       # for that class' connection will be set as the zero point. This method can only
       # be called inside a block wrapped with the `testing` method.
+      #
+      # @param connection_class [Class]
+      # @return [void]
       def set_allowed_transaction_level(connection_class)
         connection_counts = Thread.current[:sidekiq_rails_transaction_guard]
         unless connection_counts
diff --git a/lib/sidekiq/transaction_guard/database_cleaner.rb b/lib/sidekiq/transaction_guard/database_cleaner.rb
index b50c490..541a7f1 100644
--- a/lib/sidekiq/transaction_guard/database_cleaner.rb
+++ b/lib/sidekiq/transaction_guard/database_cleaner.rb
@@ -1,6 +1,7 @@
-require 'sidekiq/transaction_guard'
-require 'database_cleaner'
-require 'database_cleaner/active_record/transaction'
+# frozen_string_literal: true
+
+require "sidekiq/transaction_guard"
+require "database_cleaner/active_record"
 
 module Sidekiq
   module TransactionGuard
@@ -16,8 +17,10 @@ def start
 
       # Wrap the `Sidekiq::TransactionGuard.testing` which sets up the data structures
       # needed for custom counting of the transaction level within a test block.
+      #
+      # @return [Object] the return value of the block
       def cleaning(&block)
-        Sidekiq::TransactionGuard.testing{ super(&block) }
+        Sidekiq::TransactionGuard.testing { super(&block) }
       end
     end
   end
diff --git a/lib/sidekiq/transaction_guard/middleware.rb b/lib/sidekiq/transaction_guard/middleware.rb
index f91c353..3a7633e 100644
--- a/lib/sidekiq/transaction_guard/middleware.rb
+++ b/lib/sidekiq/transaction_guard/middleware.rb
@@ -54,7 +54,7 @@ def notify!(worker_class, job)
             if Sidekiq.logger
               Sidekiq.logger.error(e)
             else
-              STDERR.write("ERROR on Sidekiq::TransactionGuard notify block for #{worker_class}: #{e.inspect}\n")
+              $stderr.write("ERROR on Sidekiq::TransactionGuard notify block for #{worker_class}: #{e.inspect}\n")
             end
           end
         end
@@ -71,7 +71,7 @@ def log_transaction(worker_class, job)
             if logger
               logger.warn(message)
             else
-              STDERR.write("WARNING #{message}\n")
+              $stderr.write("WARNING #{message}\n")
             end
             notify!(worker_class, job)
           end
diff --git a/sidekiq-transaction_guard.gemspec b/sidekiq-transaction_guard.gemspec
index 3182afe..1dda88c 100644
--- a/sidekiq-transaction_guard.gemspec
+++ b/sidekiq-transaction_guard.gemspec
@@ -3,18 +3,18 @@
 require_relative "lib/sidekiq/transaction_guard/version"
 
 Gem::Specification.new do |spec|
-  spec.name          = "sidekiq-transaction_guard"
-  spec.version       = Sidekiq::TransactionGuard::VERSION
-  spec.authors       = ["Brian Durand", "Winston Durand"]
-  spec.email         = ["bbdurand@gmail.com", "me@winstondurand.com"]
+  spec.name = "sidekiq-transaction_guard"
+  spec.version = Sidekiq::TransactionGuard::VERSION
+  spec.authors = ["Brian Durand", "Winston Durand"]
+  spec.email = ["bbdurand@gmail.com", "me@winstondurand.com"]
 
-  spec.summary       = "Protect from accidentally invoking Sidekiq jobs when there are open database transactions"
-  spec.homepage      = "https://github.com/bdurand/sidekiq-transaction_guard"
-  spec.license       = "MIT"
+  spec.summary = "Protect from accidentally invoking Sidekiq jobs when there are open database transactions"
+  spec.homepage = "https://github.com/bdurand/sidekiq-transaction_guard"
+  spec.license = "MIT"
 
   # 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.
-  ignore_files = %w(
+  ignore_files = %w[
     .gitignore
     .travis.yml
     Appraisals
@@ -23,23 +23,16 @@ Gem::Specification.new do |spec|
     Rakefile
     gemfiles/
     spec/
-  )
-  spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
-    `git ls-files -z`.split("\x0").reject{ |f| ignore_files.any?{ |path| f.start_with?(path) } }
+  ]
+  spec.files = Dir.chdir(File.expand_path("..", __FILE__)) do
+    `git ls-files -z`.split("\x0").reject { |f| ignore_files.any? { |path| f.start_with?(path) } }
   end
-  spec.bindir        = "exe"
-  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.bindir = "exe"
+  spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = '>= 2.2.2'
+  spec.required_ruby_version = ">= 2.2.2"
 
   spec.add_dependency "activerecord", ">= 4.0"
   spec.add_dependency "sidekiq", ">= 3.0"
-
-  spec.add_development_dependency "bundler", "~> 1.10"
-  spec.add_development_dependency "rake"
-  spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_development_dependency "database_cleaner"
-  spec.add_development_dependency "sqlite3"
-  spec.add_development_dependency "appraisal"
 end
diff --git a/spec/sidekiq/transaction_guard/database_cleaner_spec.rb b/spec/sidekiq/transaction_guard/database_cleaner_spec.rb
index bb6e33c..b7e66dd 100644
--- a/spec/sidekiq/transaction_guard/database_cleaner_spec.rb
+++ b/spec/sidekiq/transaction_guard/database_cleaner_spec.rb
@@ -1,14 +1,14 @@
-require 'spec_helper'
+# frozen_string_literal: true
+
+require "spec_helper"
 
 begin
-  require 'database_cleaner'
+  require "database_cleaner-active_record"
 rescue LoadError
-  STDERR.puts("DatabaseCleaner not available; specs not run")
+  warn("DatabaseCleaner not available; specs not run")
 end
 
-DatabaseCleaner.orm = :active_record
-
-require 'sidekiq/transaction_guard/database_cleaner'
+require "sidekiq/transaction_guard/database_cleaner"
 
 describe Sidekiq::TransactionGuard::DatabaseCleaner do
   it "should not count the wrapping transaction in determining if a transaction is open" do
diff --git a/spec/sidekiq/transaction_guard/middleware_spec.rb b/spec/sidekiq/transaction_guard/middleware_spec.rb
index 2dc4b57..4589c3e 100644
--- a/spec/sidekiq/transaction_guard/middleware_spec.rb
+++ b/spec/sidekiq/transaction_guard/middleware_spec.rb
@@ -1,6 +1,8 @@
-require 'spec_helper'
-require 'stringio'
-require 'sidekiq/testing'
+# frozen_string_literal: true
+
+require "spec_helper"
+require "stringio"
+require "sidekiq/testing"
 
 class TestWorker
   include Sidekiq::Worker
@@ -12,12 +14,10 @@ def perform
 class TestWithNotifierWorker
   include Sidekiq::Worker
 
-  sidekiq_options notify_in_transaction: -> (job) { self.in_transaction_args = job["args"] }
+  sidekiq_options notify_in_transaction: ->(job) { self.in_transaction_args = job["args"] }
 
   class << self
-    def in_transaction_args=(val)
-      @in_transaction_args = val
-    end
+    attr_writer :in_transaction_args
 
     def in_transaction_args
       @in_transaction_args if defined?(@in_transaction_args)
@@ -75,18 +75,20 @@ def perform
   end
 
   describe "inside a transaciton with mode :warn" do
-    let(:log){ StringIO.new }
+    let(:log) { StringIO.new }
+    let(:logger) { Logger.new(log) }
+
+    before(:each) do
+      allow(Sidekiq).to receive(:logger).and_return(logger)
+    end
 
     around(:each) do |example|
       save_mode = Sidekiq::TransactionGuard.mode
-      save_logger = Sidekiq.logger
       begin
         Sidekiq::TransactionGuard.mode = :warn
-        Sidekiq.logger = Logger.new(log)
         example.call
       ensure
         Sidekiq::TransactionGuard.mode = save_mode
-        Sidekiq.logger = save_logger
       end
     end
 
@@ -108,7 +110,7 @@ def perform
 
     it "should be able to define the mode on the worker class" do
       TestModel.transaction do
-        expect{ ErrorWorker.perform_async }.to raise_error(Sidekiq::TransactionGuard::InsideTransactionError)
+        expect { ErrorWorker.perform_async }.to raise_error(Sidekiq::TransactionGuard::InsideTransactionError)
       end
       expect(ErrorWorker.jobs.size).to eq 0
     end
@@ -125,8 +127,14 @@ def perform
       end
     end
 
-    before(:each) do
-      stub_const("STDERR", StringIO.new)
+    around(:each) do |example|
+      stream = $stderr
+      begin
+        $stderr = StringIO.new
+        example.call
+      ensure
+        $stderr = stream
+      end
     end
 
     it "should report to STDERR" do
@@ -134,7 +142,7 @@ def perform
         TestWorker.perform_async
       end
       expect(TestWorker.jobs.size).to eq 1
-      expect(STDERR.string).to include "TestWorker was called from inside a database transaction"
+      expect($stderr.string).to include "TestWorker was called from inside a database transaction"
     end
 
     it "should log to STDERR jobs being scheduled inside of a transaction if there is no logger" do
@@ -144,7 +152,7 @@ def perform
         TestWorker.perform_async
       end
       expect(TestWorker.jobs.size).to eq 1
-      expect(STDERR.string).to include "TestWorker was called from inside a database transaction"
+      expect($stderr.string).to include "TestWorker was called from inside a database transaction"
     end
   end
 
@@ -161,14 +169,14 @@ def perform
 
     it "should raise an error if job is scheduled inside of a transaction" do
       TestModel.transaction do
-        expect{ TestWorker.perform_async }.to raise_error(Sidekiq::TransactionGuard::InsideTransactionError)
+        expect { TestWorker.perform_async }.to raise_error(Sidekiq::TransactionGuard::InsideTransactionError)
       end
       expect(TestWorker.jobs.size).to eq 0
     end
 
     it "should raise an error if job is scheduled in the future" do
       TestModel.transaction do
-        expect{ TestWorker.perform_in(60) }.to raise_error(Sidekiq::TransactionGuard::InsideTransactionError)
+        expect { TestWorker.perform_in(60) }.to raise_error(Sidekiq::TransactionGuard::InsideTransactionError)
       end
       expect(TestWorker.jobs.size).to eq 0
     end
diff --git a/spec/sidekiq/transaction_guard_spec.rb b/spec/sidekiq/transaction_guard_spec.rb
index 7d865f7..eba15e3 100644
--- a/spec/sidekiq/transaction_guard_spec.rb
+++ b/spec/sidekiq/transaction_guard_spec.rb
@@ -1,4 +1,6 @@
-require 'spec_helper'
+# frozen_string_literal: true
+
+require "spec_helper"
 
 describe Sidekiq::TransactionGuard do
   describe "mode" do
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index f0f352a..b25f737 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/setup"
 require "sidekiq/transaction_guard"
 
@@ -15,25 +17,31 @@
 ActiveRecord::Base.establish_connection("adapter" => "sqlite3", "database" => ":memory:")
 
 class TestModel < ActiveRecord::Base
-  connection.create_table(table_name) do |t|
-    t.column :name, :string
-  end unless table_exists?
+  unless table_exists?
+    connection.create_table(table_name) do |t|
+      t.column :name, :string
+    end
+  end
 end
 
 class OtherConnectionModel < ActiveRecord::Base
   establish_connection("adapter" => "sqlite3", "database" => ":memory:")
 
-  connection.create_table(table_name) do |t|
-    t.column :name, :string
-  end unless table_exists?
+  unless table_exists?
+    connection.create_table(table_name) do |t|
+      t.column :name, :string
+    end
+  end
 end
 
 class UnregisteredConnectionModel < ActiveRecord::Base
   establish_connection("adapter" => "sqlite3", "database" => ":memory:")
 
-  connection.create_table(table_name) do |t|
-    t.column :name, :string
-  end unless table_exists?
+  unless table_exists?
+    connection.create_table(table_name) do |t|
+      t.column :name, :string
+    end
+  end
 end
 
 Sidekiq::TransactionGuard.add_connection_class(OtherConnectionModel)