Gemfile in proletariat-0.0.6 vs Gemfile in proletariat-0.1.0

@@ -1,8 +1,10 @@
 source "http://rubygems.org"
 
 # Specify your gem's dependencies in proletariat.gemspec
 gemspec
 
+gem 'concurrent-ruby', github: 'ruby-concurrency/concurrent-ruby'
+
 platforms :rbx do
   gem 'rubysl'
 end