Gemfile in cuba-api-0.3.3 vs Gemfile in cuba-api-0.4.0

- old
+ new

@@ -1,2 +1,6 @@
-source :rubygems
+source 'https://rubygems.org'
+
 gemspec
+
+gem  'copyright-header', '~> 1.0', :platform => :mri
+