diff --git a/Gemfile b/Gemfile
index d2fceab..b1ce43f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,7 @@
-source "https://rubygems.org"
+# frozen_string_literal: true
 
-git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+source 'https://rubygems.org'
+
+git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 gemspec
diff --git a/Gemfile.lock b/Gemfile.lock
index e351129..e436223 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,20 +3,39 @@ PATH
   specs:
     syspro-ruby (0.1.0)
       faraday (~> 0.10)
+      nokogiri (~> 1.8.2)
 
 GEM
   remote: https://rubygems.org/
   specs:
+    ast (2.4.0)
     coderay (1.1.2)
     faraday (0.14.0)
       multipart-post (>= 1.2, < 3)
     method_source (0.9.0)
+    mini_portile2 (2.3.0)
     minitest (5.11.3)
     multipart-post (2.0.0)
+    nokogiri (1.8.2)
+      mini_portile2 (~> 2.3.0)
+    parallel (1.12.1)
+    parser (2.5.0.5)
+      ast (~> 2.4.0)
+    powerpack (0.1.1)
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
+    rainbow (3.0.0)
     rake (10.5.0)
+    rubocop (0.54.0)
+      parallel (~> 1.10)
+      parser (>= 2.5)
+      powerpack (~> 0.1)
+      rainbow (>= 2.2.2, < 4.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (~> 1.0, >= 1.0.1)
+    ruby-progressbar (1.9.0)
+    unicode-display_width (1.3.0)
 
 PLATFORMS
   ruby
@@ -26,6 +45,7 @@ DEPENDENCIES
   minitest (~> 5.0)
   pry (~> 0.11)
   rake (~> 10.0)
+  rubocop (~> 0.54.0)
   syspro-ruby!
 
 BUNDLED WITH
diff --git a/README.md b/README.md
index 010eec6..8dc4375 100644
--- a/README.md
+++ b/README.md
@@ -177,6 +177,8 @@ To install this gem onto your local machine, run `bundle exec rake install`. To 
 
 ## Contributing
 
+Run `bundle exec rake` and ensure everything looks good.
+
 Bug reports and pull requests are welcome on GitHub at https://github.com/ike/syspro-ruby. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.
 
 ## License
@@ -185,4 +187,4 @@ The gem is available as open source under the terms of the [MIT License](https:/
 
 ## Code of Conduct
 
-Everyone interacting in the Syspro project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/ike/syspro-ruby/blob/master/CODE_OF_CONDUCT.md).
+Everyone interacting in the Syspro project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/wildland/code-of-conduct).
diff --git a/Rakefile b/Rakefile
index d433a1e..1ae4b59 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,10 +1,17 @@
-require "bundler/gem_tasks"
-require "rake/testtask"
+# frozen_string_literal: true
+
+require 'bundler/gem_tasks'
+require 'rake/testtask'
+require 'rubocop/rake_task'
 
 Rake::TestTask.new(:test) do |t|
-  t.libs << "test"
-  t.libs << "lib"
-  t.test_files = FileList["test/**/*_test.rb"]
+  t.libs << 'test'
+  t.libs << 'lib'
+  t.test_files = FileList['test/**/*_test.rb']
 end
 
-task :default => :test
+task default: %i[test rubocop]
+
+RuboCop::RakeTask.new(:rubocop) do |t|
+  t.options = ['--display-cop-names']
+end
diff --git a/syspro-ruby.gemspec b/syspro-ruby.gemspec
index b63b0d8..fa30b5f 100644
--- a/syspro-ruby.gemspec
+++ b/syspro-ruby.gemspec
@@ -1,36 +1,41 @@
-lib = File.expand_path("../lib", __FILE__)
+# frozen_string_literal: true
+
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require "syspro/version"
+require 'syspro/version'
 
 Gem::Specification.new do |spec|
-  spec.name          = "syspro-ruby"
+  spec.name          = 'syspro-ruby'
   spec.version       = Syspro::VERSION
-  spec.authors       = ["Isaac Lewis"]
-  spec.email         = ["isaac@ike.io"]
+  spec.authors       = ['Isaac Lewis']
+  spec.email         = ['isaac@ike.io']
 
-  spec.summary       = %q{SYSPRO 7 Api Ruby adapter}
-  spec.license       = "MIT"
+  spec.summary       = 'SYSPRO 7 Api Ruby adapter'
+  spec.license       = 'MIT'
 
   # Prevent pushing this gem to RubyGems.org. To allow pushes either set the 'allowed_push_host'
   # to allow pushing to a single host or delete this section to allow pushing to any host.
   if spec.respond_to?(:metadata)
-    spec.metadata["allowed_push_host"] = "http://rubygems.org"
+    spec.metadata['allowed_push_host'] = 'http://rubygems.org'
   else
-    raise "RubyGems 2.0 or newer is required to protect against " \
-      "public gem pushes."
+    raise 'RubyGems 2.0 or newer is required to protect against ' \
+      'public gem pushes.'
   end
+  spec.required_ruby_version = '>= 1.9.0'
 
-  spec.files         = `git ls-files -z`.split("\x0").reject do |f|
+  spec.files = `git ls-files -z`.split("\x0").reject do |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.require_paths = ['lib']
 
-  spec.add_dependency("faraday", "~> 0.10")
+  spec.add_dependency('faraday', '~> 0.10')
+  spec.add_dependency('nokogiri', '~> 1.8.2')
 
-  spec.add_development_dependency "bundler", "~> 1.16"
-  spec.add_development_dependency "pry", "~> 0.11"
-  spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "minitest", "~> 5.0"
+  spec.add_development_dependency 'bundler', '~> 1.16'
+  spec.add_development_dependency 'minitest', '~> 5.0'
+  spec.add_development_dependency 'pry', '~> 0.11'
+  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rubocop', '~> 0.54.0'
 end
--
libgit2 0.21.4