fex.gemspec in fex-0.0.3 vs fex.gemspec in fex-0.0.4

@@ -16,8 +16,9 @@
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
   gem.add_dependency 'savon', '~> 2.0'
+  gem.add_development_dependency "rake"
   gem.add_development_dependency "rspec"
   gem.add_development_dependency "pry-nav"
 end