graphql-batch.gemspec in graphql-batch-0.1.0 vs graphql-batch.gemspec in graphql-batch-0.2.0

@@ -16,11 +16,13 @@
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_runtime_dependency "graphql", "~>0.8"
+  spec.add_runtime_dependency "graphql", "~> 0.8"
+  spec.add_runtime_dependency "promise.rb", "~> 0.7.0.rc2"
 
+  spec.add_development_dependency "byebug" if RUBY_ENGINE == 'ruby'
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "minitest"
 end