Gemfile in grape-roar-0.3.0 vs Gemfile in grape-roar-0.4.0

@@ -1,10 +1,10 @@
 source 'https://rubygems.org'
 
 gemspec
 
 group :development do
-  gem 'rake'
+  gem 'rake', '~> 10.5.0'
 end
 
 group :test do
   gem 'rspec', '~> 3.1'
   gem 'rack-test'