diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9cee232..f0b333f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -39,7 +39,8 @@ jobs:
 
       - samvera/rubocop
 
-      - samvera/parallel_rspec
+      # RSpec tests have not been implemented
+      # - samvera/parallel_rspec
 
 workflows:
   ci:
diff --git a/Gemfile b/Gemfile
index 05582cb..6314fca 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,8 @@
-source "https://rubygems.org"
+# frozen_string_literal: true
+
+source 'https://rubygems.org'
 
 # Specify your gem's dependencies in huborg.gemspec
 gemspec
 
-gem "rake", "~> 12.0"
+gem 'rake', '~> 12.0'
diff --git a/Rakefile b/Rakefile
index d0125b0..5a3253d 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,34 +1,37 @@
-require "bundler/gem_tasks"
+# frozen_string_literal: true
 
+require 'bundler/gem_tasks'
+
+# rubocop:disable Metrics/BlockLength
 namespace :test do
-  desc "Push template to organization (set ENV[GITHUB_ACCESS_TOKEN] and ENV[GITHUB_ORG_NAME])"
+  desc 'Push template to organization (set ENV[GITHUB_ACCESS_TOKEN] and ENV[GITHUB_ORG_NAME])'
   task :push_template do
     require 'huborg'
     client = Huborg::Client.new(
-      github_access_token: ENV.fetch("GITHUB_ACCESS_TOKEN"),
-      org_names: ENV.fetch("GITHUB_ORG_NAME")
+      github_access_token: ENV.fetch('GITHUB_ACCESS_TOKEN'),
+      org_names: ENV.fetch('GITHUB_ORG_NAME')
     )
     client.push_template!(
       template: __FILE__,
-      filename: "disposable-#{Time.now.utc.to_s.gsub(/\D+/,'')}.rake"
+      filename: "disposable-#{Time.now.utc.to_s.gsub(/\D+/, '')}.rake"
     )
   end
 
   task :clone_and_rebase do
     require 'huborg'
     client = Huborg::Client.new(
-      github_access_token: ENV.fetch("GITHUB_ACCESS_TOKEN"),
-      org_names: ENV.fetch("GITHUB_ORG_NAME")
+      github_access_token: ENV.fetch('GITHUB_ACCESS_TOKEN'),
+      org_names: ENV.fetch('GITHUB_ORG_NAME')
     )
-    directory = ENV.fetch("DIRECTORY") { File.join(ENV.fetch("HOME"), "git") }
+    directory = ENV.fetch('DIRECTORY') { File.join(ENV.fetch('HOME'), 'git') }
     client.clone_and_rebase!(directory: directory)
   end
 
   task :audit_license do
     require 'huborg'
     client = Huborg::Client.new(
-      github_access_token: ENV.fetch("GITHUB_ACCESS_TOKEN"),
-      org_names: ENV.fetch("GITHUB_ORG_NAME")
+      github_access_token: ENV.fetch('GITHUB_ACCESS_TOKEN'),
+      org_names: ENV.fetch('GITHUB_ORG_NAME')
     )
     client.audit_license
   end
@@ -36,27 +39,29 @@ namespace :test do
   task :mailmap do
     require 'huborg'
     client = Huborg::Client.new(
-      github_access_token: ENV.fetch("GITHUB_ACCESS_TOKEN"),
-      org_names: ENV.fetch("GITHUB_ORG_NAME")
+      github_access_token: ENV.fetch('GITHUB_ACCESS_TOKEN'),
+      org_names: ENV.fetch('GITHUB_ORG_NAME')
     )
-    client.synchronize_mailmap!(template: ENV.fetch("MAILMAP_TEMPLATE_FILENAME"))
+    client.synchronize_mailmap!(template: ENV.fetch('MAILMAP_TEMPLATE_FILENAME'))
   end
 end
 
-
 require 'github_changelog_generator/task'
-desc "Generate CHANGELOG.md based on lib/huborg/version.md (change that to the new version before you run rake changelog)"
+# rubocop:disable Metrics/LineLength
+desc 'Generate CHANGELOG.md based on lib/huborg/version.md (change that to the new version before you run rake changelog)'
+# rubocop:enable Metrics/LineLength
 GitHubChangelogGenerator::RakeTask.new :changelog do |config|
   begin
-    ENV.fetch("CHANGELOG_GITHUB_TOKEN")
+    ENV.fetch('CHANGELOG_GITHUB_TOKEN')
   rescue KeyError
-    $stderr.puts %(To run `rake changelog` you need to have a CHANGELOG_GITHUB_TOKEN)
-    $stderr.puts %(set in ENV. (`export CHANGELOG_GITHUB_TOKEN="«your-40-digit-github-token»"`))
+    warn %(To run `rake changelog` you need to have a CHANGELOG_GITHUB_TOKEN)
+    warn %(set in ENV. (`export CHANGELOG_GITHUB_TOKEN="«your-40-digit-github-token»"`))
     exit!(1)
   end
   config.user = 'samvera-labs'
   config.project = 'huborg'
   config.since_tag = 'v0.1.0' # The changes before v0.1.0 were not as helpful
-  config.future_release = %(v#{ENV.fetch("FUTURE_RELEASE", Huborg::VERSION)})
+  config.future_release = %(v#{ENV.fetch('FUTURE_RELEASE', Huborg::VERSION)})
   config.base = 'CHANGELOG.md'
 end
+# rubocop:enable Metrics/BlockLength
diff --git a/bin/console b/bin/console
index 137a6d3..29a1ec5 100755
--- a/bin/console
+++ b/bin/console
@@ -1,7 +1,8 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
-require "bundler/setup"
-require "huborg"
+require 'bundler/setup'
+require 'huborg'
 
 # You can add fixtures and/or initialization code here to make experimenting
 # with your gem easier. You can also use a different console, if you like.
@@ -10,5 +11,5 @@ require "huborg"
 # require "pry"
 # Pry.start
 
-require "irb"
+require 'irb'
 IRB.start(__FILE__)
diff --git a/huborg.gemspec b/huborg.gemspec
index 2805d8d..17c6cee 100644
--- a/huborg.gemspec
+++ b/huborg.gemspec
@@ -1,31 +1,34 @@
+# frozen_string_literal: true
+
 require_relative 'lib/huborg/version'
 
 Gem::Specification.new do |spec|
-  spec.name          = "huborg"
+  spec.name          = 'huborg'
   spec.version       = Huborg::VERSION
-  spec.authors       = ["Jeremy Friesen"]
-  spec.email         = ["jeremy.n.friesen@gmail.com"]
+  spec.authors       = ['Jeremy Friesen']
+  spec.email         = ['jeremy.n.friesen@gmail.com']
 
-  spec.summary       = %q{Make changes to Organization Repositories en-masse.}
-  spec.description   = %q{Make changes to Organization Repositories en-masse.}
-  spec.homepage      = "https://github.com/samvera-labs/huborg/"
-  spec.required_ruby_version = Gem::Requirement.new(">= 2.3.0")
+  spec.summary       = 'Make changes to Organization Repositories en-masse.'
+  spec.description   = 'Make changes to Organization Repositories en-masse.'
+  spec.homepage      = 'https://github.com/samvera-labs/huborg/'
+  spec.required_ruby_version = Gem::Requirement.new('>= 2.7')
 
-  spec.metadata["homepage_uri"] = spec.homepage
-  spec.metadata["source_code_uri"] = "https://github.com/samvera-labs/huborg/"
-  spec.metadata["changelog_uri"] = "https://github.com/samvera-labs/huborg/blob/master/CHANGELOG.md"
-  spec.metadata["documentation_uri"] = "https://www.rubydoc.info/gems/huborg/"
+  spec.metadata['homepage_uri'] = spec.homepage
+  spec.metadata['source_code_uri'] = 'https://github.com/samvera-labs/huborg/'
+  spec.metadata['changelog_uri'] = 'https://github.com/samvera-labs/huborg/blob/master/CHANGELOG.md'
+  spec.metadata['documentation_uri'] = 'https://www.rubydoc.info/gems/huborg/'
 
   # 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.
-  spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
+  spec.files = Dir.chdir(File.expand_path(__dir__)) do
     `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   end
-  spec.bindir        = "exe"
+  spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
-  spec.require_paths = ["lib"]
-  spec.add_dependency "octokit", "~> 4.16"
-  spec.add_dependency "git", "~> 1.6"
-  spec.add_development_dependency "byebug"
-  spec.add_development_dependency "github_changelog_generator"
+  spec.require_paths = ['lib']
+  spec.add_dependency 'git', '~> 1.6'
+  spec.add_dependency 'octokit', '~> 4.16'
+  spec.add_development_dependency 'byebug'
+  spec.add_development_dependency 'github_changelog_generator'
+  spec.add_development_dependency 'rubocop'
 end
diff --git a/lib/huborg.rb b/lib/huborg.rb
index bf7044f..c18aacb 100644
--- a/lib/huborg.rb
+++ b/lib/huborg.rb
@@ -1,5 +1,6 @@
-# coding: utf-8
-require "huborg/version"
+# frozen_string_literal: true
+
+require 'huborg/version'
 require 'octokit'
 require 'git'
 require 'fileutils'
@@ -18,10 +19,12 @@ class Error < RuntimeError; end
   # * {#audit_license} - tooling to check the licenses of your org
   # * {#synchronize_mailmap!} - ensure all git .mailmap files are
   #   synchronized
+
+  # rubocop:disable Metrics/ClassLength
   class Client
     # When listing repositories, this callable will return all repositories.
     # @see #initialize `#initialize` for details on the repository filter.
-    DEFAULT_REPOSITORY_FILTER = ->(client, repo) { true }
+    DEFAULT_REPOSITORY_FILTER = ->(_client, _repo) { true }
 
     # @since v0.1.0
     #
@@ -51,8 +54,11 @@ class Client
     #     repository_filter: ->(client, repo) { repo.full_name.match?(/.*hyrax.*/) }
     #   )
     #
+    # rubocop:disable Layout/LineLength
     # @see https://github.com/octokit/octokit.rb#oauth-access-tokens Octokit's documentation for OAuth Tokens
     # @see https://developer.github.com/v3/repos/#list-organization-repositories Github's documentation for repository data structures
+    # rubocop:enable Layout/LineLength
+
     def initialize(org_names:,
                    logger: default_logger,
                    github_access_token: default_access_token,
@@ -69,15 +75,15 @@ def initialize(org_names:,
 
     def default_logger
       require 'logger'
-      Logger.new(STDOUT)
+      Logger.new($stdout)
     end
 
     def default_access_token
       ENV.fetch('GITHUB_ACCESS_TOKEN')
-    rescue KeyError => e
+    rescue KeyError
       message = "You need to provide an OAuth Access Token.\nSee: https://github.com/octokit/octokit.rb#oauth-access-tokens"
-      $stderr.puts message
-      raise Error.new(message)
+      warn message
+      raise Error, message
     end
 
     public
@@ -137,15 +143,22 @@ def push_template!(template:, filename:, overwrite: false)
     # @see https://api.github.com/licenses Github's documentation for a list of license keys
     # @return [True] the task completed without exception (there may be
     #         logged errors)
+
+    # rubocop:disable Metrics/AbcSize
+    # rubocop:disable Metrics/CyclomaticComplexity
+    # rubocop:disable Metrics/MethodLength
+    # rubocop:disable Metrics/PerceivedComplexity
     def audit_license(skip_private: true, skip_archived: true, allowed_licenses: :all)
       license_list = Array(allowed_licenses)
       each_github_repository do |repo|
         next if skip_private && repo.private?
         next if skip_archived && repo.archived?
+
         if repo.license
           logger.info(%(#{repo.fullname} has "#{repo.license.key}"))
           next if allowed_licenses == :all
           next if license_list.include?(repo.license.key)
+
           logger.error(%(#{repo.full_name} has "#{repo.license.key}" which is not in #{license_list.inspect}))
         else
           logger.error("#{repo.full_name} is missing a license")
@@ -153,6 +166,10 @@ def audit_license(skip_private: true, skip_archived: true, allowed_licenses: :al
       end
       true
     end
+    # rubocop:enable Metrics/AbcSize
+    # rubocop:enable Metrics/CyclomaticComplexity
+    # rubocop:enable Metrics/MethodLength
+    # rubocop:enable Metrics/PerceivedComplexity
 
     # @api public
     # @since v0.2.0
@@ -175,6 +192,9 @@ def audit_license(skip_private: true, skip_archived: true, allowed_licenses: :al
     #      for more on git's .mailmap file
     # @todo Ensure that this doesn't create a pull request if nothing
     #       has changed.
+
+    # rubocop:disable Metrics/AbcSize
+    # rubocop:disable Metrics/MethodLength
     def synchronize_mailmap!(template:, consolidated_template: template)
       mailmap_lines = Set.new
       File.read(template).split("\n").each do |line|
@@ -182,19 +202,17 @@ def synchronize_mailmap!(template:, consolidated_template: template)
       end
 
       each_github_repository do |repo|
-        begin
-          mailmap = client.contents(repo.full_name, path: '.mailmap')
-          lines = mailmap.rels[:download].get.data
-          lines.split("\n").each do |line|
-            mailmap_lines << line
-          end
-        rescue Octokit::NotFound
-          next
+        mailmap = client.contents(repo.full_name, path: '.mailmap')
+        lines = mailmap.rels[:download].get.data
+        lines.split("\n").each do |line|
+          mailmap_lines << line
         end
+      rescue Octokit::NotFound
+        next
       end
 
       # Write the contents to a file
-      File.open(consolidated_template, "w+") do |file|
+      File.open(consolidated_template, 'w+') do |file|
         mailmap_lines.to_a.sort.each do |line|
           file.puts line
         end
@@ -202,11 +220,14 @@ def synchronize_mailmap!(template:, consolidated_template: template)
 
       each_github_repository do |repo|
         next if repo.archived?
-        push_template_to!(filename: ".mailmap", template: consolidated_template, repo: repo, overwrite: true)
+
+        push_template_to!(filename: '.mailmap', template: consolidated_template, repo: repo, overwrite: true)
       end
 
       true
     end
+    # rubocop:enable Metrics/AbcSize
+    # rubocop:enable Metrics/MethodLength
 
     # @api public
     # @since v0.2.0
@@ -254,14 +275,18 @@ def synchronize_mailmap!(template:, consolidated_template: template)
     #    └── raft
     #
     # @return [True] if successfully completed
-    def clone_and_rebase!(directory:, skip_forked: false, skip_archived: false, skip_dirty: true, force: false, shallow: false)
+    # rubocop:disable Metrics/ParameterLists
+    def clone_and_rebase!(directory:, skip_forked: false, skip_archived: false, skip_dirty: true, force: false,
+                          shallow: false)
       each_github_repository do |repo|
         next if skip_archived && repo.archived?
         next if skip_forked && repo.fork?
+
         clone_and_rebase_one!(repo: repo, directory: directory, skip_dirty: skip_dirty, force: force, shallow: shallow)
       end
       true
     end
+    # rubocop:enable Metrics/ParameterLists
 
     # @api public
     # @since v0.3.0
@@ -286,9 +311,10 @@ def clone_and_rebase!(directory:, skip_forked: false, skip_archived: false, skip
     #   end
     #
     # @see https://developer.github.com/v3/pulls/#list-pull-requests
-    def each_pull_request_with_repo(skip_archived: true, query: { state: :open})
+    def each_pull_request_with_repo(skip_archived: true, query: { state: :open })
       each_github_repository do |repo|
         next if skip_archived && repo.archived?
+
         fetch_rel_for(rel: :pulls, from: repo, query: query).each do |pull|
           yield(pull, repo)
         end
@@ -322,10 +348,8 @@ def each_pull_request_with_repo(skip_archived: true, query: { state: :open})
     #      for the response document
     #
     # @return [True]
-    def list_repositories
-      each_github_repository do |repo|
-        yield repo
-      end
+    def list_repositories(&block)
+      each_github_repository(&block)
 
       true
     end
@@ -370,9 +394,13 @@ def each_github_repository(&block)
     #        overwrite what already exists. In the case of a LICENSE, we
     #        would not want to do that. In the case of a .mailmap, we
     #        would likely want to overwrite.
+
+    # rubocop:disable Metrics/AbcSize
+    # rubocop:disable Metrics/MethodLength
     def push_template_to!(repo:, template:, filename:, overwrite: false)
       return if repo.archived
-      # Note: Sometimes I'm using "heads/<default>" and other times I'm using
+
+      # NOTE: Sometimes I'm using "heads/<default>" and other times I'm using
       #       "refs/heads/<default>". There appears to be an inconsistency in
       #       the implementation of octokit.
       default_branch = client.ref(repo.full_name, "heads/#{repo.default_branch}")
@@ -386,32 +414,39 @@ def push_template_to!(repo:, template:, filename:, overwrite: false)
       end
       commit_message = "Adding/updating #{filename}\n\nThis was uploaded via automation."
       logger.info("Creating pull request for #{filename} on #{repo.full_name}")
-      target_branch_name = "refs/heads/autoupdate-#{Time.now.utc.to_s.gsub(/\D+/,'')}"
+      target_branch_name = "refs/heads/autoupdate-#{Time.now.utc.to_s.gsub(/\D+/, '')}"
       if filename_ref_on_default_branch
         return unless overwrite
+
         client.create_reference(repo.full_name, target_branch_name, default_branch.object.sha)
         client.update_contents(
           repo.full_name,
           filename,
           commit_message,
           filename_ref_on_default_branch.sha,
-          file: File.new(template, "r"),
+          file: File.new(template, 'r'),
           branch: target_branch_name
         )
-        client.create_pull_request(repo.full_name, "refs/heads/#{repo.default_branch}", target_branch_name, commit_message)
       else
         client.create_reference(repo.full_name, target_branch_name, default_branch.object.sha)
         client.create_contents(
           repo.full_name,
           filename,
           commit_message,
-          file: File.new(template, "r"),
+          file: File.new(template, 'r'),
           branch: target_branch_name
         )
-        client.create_pull_request(repo.full_name, "refs/heads/#{repo.default_branch}", target_branch_name, commit_message)
       end
+      client.create_pull_request(repo.full_name, "refs/heads/#{repo.default_branch}", target_branch_name,
+                                 commit_message)
     end
+    # rubocop:enable Metrics/AbcSize
+    # rubocop:enable Metrics/MethodLength
 
+    # rubocop:disable Metrics/AbcSize
+    # rubocop:disable Metrics/CyclomaticComplexity
+    # rubocop:disable Metrics/MethodLength
+    # rubocop:disable Metrics/PerceivedComplexity
     def clone_and_rebase_one!(repo:, directory:, skip_dirty: true, force: false, shallow: false)
       repo_path = shallow ? File.join(directory, repo.name) : File.join(directory, repo.full_name)
       if File.directory?(repo_path)
@@ -437,7 +472,7 @@ def clone_and_rebase_one!(repo:, directory:, skip_dirty: true, force: false, sha
         end
         git.branch(repo.default_branch).checkout
         logger.info("Pulling down #{repo.default_branch} branch from origin for #{repo_path}")
-        git.pull("origin", repo.default_branch)
+        git.pull('origin', repo.default_branch)
       else
         parent_directory = File.dirname(repo_path)
         logger.info("Creating #{parent_directory}")
@@ -448,6 +483,10 @@ def clone_and_rebase_one!(repo:, directory:, skip_dirty: true, force: false, sha
         logger.info("Finished cloning #{repo.name} into #{parent_directory}")
       end
     end
+    # rubocop:enable Metrics/AbcSize
+    # rubocop:enable Metrics/CyclomaticComplexity
+    # rubocop:enable Metrics/MethodLength
+    # rubocop:enable Metrics/PerceivedComplexity
 
     # Responsible for fetching an array of the given :rel
     #
@@ -458,27 +497,31 @@ def clone_and_rebase_one!(repo:, directory:, skip_dirty: true, force: false, sha
     #        Octokit::Repository.
     #
     # @return [Array<Object>]
+
+    # rubocop:disable Metrics/AbcSize
+    # rubocop:disable Metrics/MethodLength
     def fetch_rel_for(rel:, from:, query: {})
       # Build a list of repositories, note per Github's API, these are
       # paginated.
       from_to_s = from.respond_to?(:name) ? from.name : from.to_s
+      # rubocop:disable Layout/LineLength
       logger.info "Fetching rels[#{rel.inspect}] for '#{from_to_s}' with filter #{repository_filter.inspect}, and query #{query.inspect}"
+      # rubocop:enable Layout/LineLength
       source = from.rels[rel].get(query)
       rels = []
       while source
         rels += source.data
-        if source.rels[:next]
-          source = source.rels[:next].get(query)
-        else
-          source = nil
-        end
+        source = source.rels[:next]&.get(query)
       end
+      # rubocop:disable Layout/LineLength
       logger.info "Finished fetching rels[#{rel.inspect}] for '#{from_to_s}' with filter #{repository_filter.inspect}, and query #{query.inspect}"
-      if block_given?
-        rels
-      else
-        return rels
-      end
+      # rubocop:enable Layout/LineLength
+      return rels unless block_given?
+
+      rels
     end
+    # rubocop:enable Metrics/AbcSize
+    # rubocop:enable Metrics/MethodLength
   end
+  # rubocop:enable Metrics/ClassLength
 end
diff --git a/lib/huborg/version.rb b/lib/huborg/version.rb
index 0d06455..8f4387c 100644
--- a/lib/huborg/version.rb
+++ b/lib/huborg/version.rb
@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 module Huborg
   # The current version of Huborg, as per Semantic Versioning
   # @see https://semver.org
-  VERSION = "0.3.1"
+  VERSION = '0.3.1'
 end