rainbow.gemspec in rainbow-2.2.1 vs rainbow.gemspec in rainbow-2.2.2

@@ -17,8 +17,10 @@
   spec.files         = `git ls-files`.split($INPUT_RECORD_SEPARATOR)
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
+  spec.add_dependency "rake"
+
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.extensions    = ["ext/mkrf_conf.rb"]
 end