heavy_control.gemspec in heavy_control-0.1.2 vs heavy_control.gemspec in heavy_control-0.1.3

@@ -1,7 +1,8 @@
 # coding: utf-8
 # frozen_string_literal: true
+
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'heavy_control/version'
 
 Gem::Specification.new do |spec|
@@ -31,7 +32,8 @@
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'pry'
   spec.add_development_dependency 'rubocop'
   spec.add_development_dependency 'appraisal'
+  spec.add_development_dependency 'simplecov'
   spec.add_development_dependency 'codeclimate-test-reporter'
 end