clean-architecture.gemspec in clean-architecture-5.0.1 vs clean-architecture.gemspec in clean-architecture-5.0.2

@@ -12,9 +12,16 @@
 
   spec.summary       = 'Bellroy Clean Architecture Framework'
   spec.description   = 'An attempt at building a reusable Clean Architecture framework for Ruby'
   spec.homepage      = 'https://bellroy.com'
 
+  if spec.respond_to?(:metadata)
+    spec.metadata['allowed_push_host'] = 'https://rubygems.org'
+  else
+    raise 'RubyGems 2.0 or newer is required to protect against ' \
+      'public gem pushes.'
+  end
+
   spec.files = `git ls-files -z`.split("\x0").reject do |f|
     f.match(%r{^(test|spec|features)/})
   end
   spec.require_paths = ['lib']