- s.add_development_dependency 'ruby-debug19', '~> 0.11.6'
- s.add_development_dependency 'yard', '~> 0.8.2.1'
- s.add_development_dependency 'thin', '~> 1.5.0'
+ s.add_development_dependency 'ruby-debug19', '~> 0.11'
+ s.add_development_dependency 'yard', '~> 0.8'
+ s.add_development_dependency 'thin', '~> 1.5'
+ s.add_development_dependency 'rspec', '~> 2.11'