Gemfile in cutting_edge-0.2.1 vs Gemfile in cutting_edge-0.3

@@ -1,13 +1,13 @@
 source 'https://rubygems.org'
 
 gem 'redis', require: false
+gem 'thin', require: false
 
 group :development do
   gem 'rspec', '~> 3.9'
   gem 'simplecov'
+  gem 'simplecov-lcov', '~> 0.8.0'
   gem 'rack-test'
 end
 
-gem 'coveralls', '~>0.8.23', require: false
-
-gemspec
\ No newline at end of file
+gemspec