omniauth-yammer.gemspec in omniauth-yammer-0.0.6 vs omniauth-yammer.gemspec in omniauth-yammer-0.0.7

@@ -18,9 +18,10 @@
   gem.version       = OmniAuth::Yammer::VERSION
 
   gem.add_runtime_dependency 'omniauth-oauth2',    '>= 1.1'
 
   gem.add_development_dependency 'rspec',     '>= 2.7'
+  gem.add_development_dependency 'rake'
   gem.add_development_dependency 'rack-test'
   gem.add_development_dependency 'simplecov'
   gem.add_development_dependency 'webmock'
 end