Gemfile in mongoid-history-0.8.2 vs Gemfile in mongoid-history-0.8.3

@@ -27,9 +27,10 @@
   gem 'pry'
   gem 'rake', '< 11.0'
 end
 
 group :test do
+  gem 'benchmark-ips', require: false
   gem 'coveralls'
   gem 'gem-release'
   gem 'mongoid-danger', '~> 0.1.0', require: false
   gem 'request_store'
   gem 'rspec', '~> 3.1'