async-rspec.gemspec in async-rspec-1.12.0 vs async-rspec.gemspec in async-rspec-1.12.1

@@ -19,8 +19,9 @@
 	spec.add_dependency "rspec", "~> 3.0"
 	
 	# Since we test the shared contexts, we need some bits of async:
 	spec.add_development_dependency "async", "~> 1.8"
 	
+	spec.add_development_dependency "covered"
 	spec.add_development_dependency "bundler", "~> 1.13"
 	spec.add_development_dependency "rake", "~> 10.0"
 end