Gemfile in cri-2.15.6 vs Gemfile in cri-2.15.7

@@ -3,9 +3,10 @@
 source 'https://rubygems.org'
 
 gemspec
 
 gem 'coveralls'
+gem 'm', '~> 1.5'
 gem 'minitest'
 gem 'rake'
 gem 'rubocop'
 gem 'yard'