moneta-api.gemspec in moneta-api-1.11.0 vs moneta-api.gemspec in moneta-api-1.12.0

@@ -16,10 +16,16 @@
   spec.files         = `git ls-files -z`.split("\x0")
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
 
+  spec.required_ruby_version = '>= 2.0'
+
   spec.add_dependency 'savon', '~> 2.11'
+
+  if RUBY_VERSION < '2.2.2'
+    spec.add_dependency 'rack', '< 2'
+  end
 
   spec.add_development_dependency 'bundler', '~> 1'
   spec.add_development_dependency 'rake', '~> 10'
   spec.add_development_dependency 'pry'
   spec.add_development_dependency 'rspec'