pupil.gemspec in pupil-0.6 vs pupil.gemspec in pupil-0.6.1

@@ -14,9 +14,10 @@
   gem.name          = "pupil"
   gem.require_paths = ["lib"]
   gem.version       = Pupil::VERSION
   gem.add_dependency "oauth"
   gem.add_dependency "json"
+  gem.add_development_dependency "rake"
   gem.add_development_dependency "rspec"
   gem.add_development_dependency "yard"
   gem.add_development_dependency "bundler"
 end