Rakefile in onebox-1.5.17 vs Rakefile in onebox-1.5.18

@@ -1,7 +1,8 @@
 #!/usr/bin/env rake
 require "rspec/core/rake_task"
 require "yard"
+require 'bundler'
 
 begin
   Bundler.setup :default, :development
   Bundler::GemHelper.install_tasks
 rescue Bundler::BundlerError => error