cloudflare.gemspec in cloudflare-4.0.0 vs cloudflare.gemspec in cloudflare-4.0.1

@@ -23,9 +23,10 @@
 
 	spec.add_dependency 'async-rest'
 
 	spec.add_development_dependency 'async-rspec'
 
+	spec.add_development_dependency 'covered'
 	spec.add_development_dependency 'bundler'
 	spec.add_development_dependency 'rake'
 	spec.add_development_dependency 'rspec', '~> 3.6'
 end