async-await.gemspec in async-await-0.2.0 vs async-await.gemspec in async-await-0.3.0

@@ -17,9 +17,10 @@
 	spec.require_paths = ["lib"]
 
 	spec.add_dependency "async", "~> 1.3"
 	spec.add_development_dependency "async-rspec", "~> 1.1"
 
-	spec.add_development_dependency "bundler", "~> 1.15"
+	spec.add_development_dependency "covered"
+	spec.add_development_dependency "bundler"
 	spec.add_development_dependency "rake", "~> 10.0"
 	spec.add_development_dependency "rspec", "~> 3.0"
 end