Gemfile in rspec-spies-2.1.3 vs Gemfile in rspec-spies-2.1.4

@@ -1,5 +1,5 @@
-source :rubygems
+source 'https://rubygems.org'
 
 gem 'rspec', '~> 2.0'
 
 group :development do
   gem 'rake'