Gemfile in middleman-webp-0.2.5 vs Gemfile in middleman-webp-0.2.6

@@ -1,4 +1,7 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in middleman-webp.gemspec
 gemspec
+
+gem 'coveralls', require: false, group: :test
+gem 'simplecov', '~> 0.7.1', require: false, group: :test