Rakefile in rspec-spies-2.1.1 vs Rakefile in rspec-spies-2.1.2

@@ -1,10 +1,11 @@
 require 'rubygems'
 require 'bundler'
 Bundler.setup(:default, :development)
 
 require 'rake'
+require 'appraisal'
 
 require 'jeweler'
 Jeweler::Tasks.new do |gem|
   gem.name = "rspec-spies"
   gem.summary = %Q{rspec has gone without tests spies. no more!}
@@ -16,9 +17,10 @@
   gem.add_runtime_dependency 'rspec', '~> 2.0'
 
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'jeweler'
   gem.add_development_dependency 'rdoc'
+  gem.add_development_dependency 'appraisal'
   # gem is a Gem::Specification... see http://www.rubygems.org/read/chapter/20 for additional settings
 end
 Jeweler::GemcutterTasks.new
 
 require 'rspec/core/rake_task'