memery.gemspec in memery-1.2.0 vs memery.gemspec in memery-1.3.0

@@ -18,9 +18,11 @@
   spec.files         = `git ls-files -z`.split("\x0").reject do |f|
     f.match(%r{^(test|spec|features)/})
   end
   spec.require_paths = ["lib"]
 
+  spec.add_runtime_dependency "ruby2_keywords", "~> 0.0.2"
+
   spec.add_development_dependency "benchmark-ips"
   spec.add_development_dependency "benchmark-memory"
   spec.add_development_dependency "bundler"
   spec.add_development_dependency "coveralls"
   spec.add_development_dependency "pry"