capistrano-deploylock.gemspec in capistrano-deploylock-0.0.1 vs capistrano-deploylock.gemspec in capistrano-deploylock-0.0.2

@@ -16,9 +16,11 @@
   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 = '~> 2.1.0'
+
   spec.add_development_dependency "bundler", "~> 1.7"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "minitest"
 
   spec.add_dependency "capistrano", '>= 2', '< 3'