Gemfile in rubocop-minitest-0.3.0 vs Gemfile in rubocop-minitest-0.4.0

@@ -4,9 +4,10 @@
 
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 gemspec
 
+gem 'bump', require: false
 gem 'rake'
 gem 'rubocop', github: 'rubocop-hq/rubocop'
 gem 'rubocop-performance', '~> 1.4.0'
 gem 'yard', '~> 0.9'