diff --git a/Gemfile b/Gemfile
index 7e14a453..91b92d2d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -94,6 +94,7 @@ group :development, :test do
   gem 'timecop'
   gem 'rails-controller-testing'
   gem 'haml_lint', require: false
+  gem 'rubocop', '~> 1.22', '>= 1.22.1'
   gem 'rubocop-rails', '~> 2.13', '>= 2.13.1'
   gem 'rt_rubocop_defaults', '~> 2.3', '>= 2.3.1'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index d2251142..079a5707 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -665,6 +665,7 @@ DEPENDENCIES
   rspec-rails (~> 4.0)
   rspec-sidekiq (~> 3.0)
   rt_rubocop_defaults (~> 2.3, >= 2.3.1)
+  rubocop (~> 1.22, >= 1.22.1)
   rubocop-rails (~> 2.13, >= 2.13.1)
   ruby-progressbar
   sanitize