Rakefile in api-auth-1.1.0 vs Rakefile in api-auth-1.2.0

@@ -1,8 +1,9 @@
 require 'bundler'
 Bundler::GemHelper.install_tasks
 
 require 'rake'
+require 'appraisal'
 require 'rspec/core'
 require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec) do |spec|
   spec.pattern = FileList['spec/**/*_spec.rb']