Gemfile in nanoc-3.7.5 vs Gemfile in nanoc-3.8.0

@@ -19,10 +19,10 @@
 gem 'less', '~> 2.0', platforms: :ruby
 gem 'listen'
 gem 'markaby'
 gem 'maruku'
 gem 'mime-types'
-gem 'minitest', '~> 4.0'
+gem 'minitest', '~> 5.0'
 gem 'mocha'
 if RUBY_VERSION >= '2.0.0'
   gem 'mustache', '~> 1.0'
 else
   gem 'mustache', '~> 0.99'