rubype.gemspec in rubype-0.2.6 vs rubype.gemspec in rubype-0.3.0

@@ -13,14 +13,16 @@
   spec.homepage      = "http://gogotanaka.me/"
   spec.license       = "MIT"
 
   spec.files         = `git ls-files -z`.split("\x0")
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
+  spec.extensions    = ["ext/rubype/extconf.rb"]
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
   spec.required_ruby_version = ">= 2.0.0"
 
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "minitest"
+  spec.add_development_dependency "rake-compiler"
 end