rack_edge.gemfile in grape-0.19.2

- old
+ new

@@ -5,11 +5,11 @@
 gem 'rack', github: 'rack/rack'
 
 group :development, :test do
   gem 'bundler'
   gem 'rake'
-  gem 'rubocop', '~> 0.45.0'
+  gem 'rubocop', '0.47.0'
 end
 
 group :development do
   gem 'guard'
   gem 'guard-rspec'
@@ -25,10 +25,11 @@
   gem 'maruku'
   gem 'rack-test'
   gem 'rspec', '~> 3.0'
   gem 'cookiejar'
   gem 'rack-jsonp', require: 'rack/jsonp'
-  gem 'mime-types', '~> 3.0'
+  gem 'mime-types'
   gem 'ruby-grape-danger', '~> 0.1.0', require: false
+  gem 'coveralls', '~> 0.8.17', require: false
 end
 
 gemspec path: '../'