oxblood.gemspec in oxblood-0.1.0.dev1 vs oxblood.gemspec in oxblood-0.1.0.dev2

@@ -14,9 +14,10 @@
   spec.homepage      = 'https://github.com/etehtsea/oxblood'
   spec.license       = 'MIT'
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
+  spec.required_ruby_version = '>= 2.2.2'
 
   spec.add_dependency 'connection_pool'
   spec.add_development_dependency 'bundler', '~> 1.11'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec', "~> 3.4"