http-protocol.gemspec in http-protocol-0.17.0 vs http-protocol.gemspec in http-protocol-0.17.1

@@ -4,21 +4,23 @@
 Gem::Specification.new do |spec|
 	spec.name          = "http-protocol"
 	spec.version       = HTTP::Protocol::VERSION
 	spec.authors       = ["Samuel Williams"]
 	spec.email         = ["[e-mail]"]
-
+	
 	spec.summary       = "Provides abstractions to handle HTTP1 and HTTP2 protocols."
 	spec.homepage      = "https://github.com/socketry/http-protocol"
-
+	
 	spec.files         = `git ls-files -z`.split("\x0").reject do |f|
 		f.match(%r{^(test|spec|features)/})
 	end
-
+	
+	spec.required_ruby_version = '>= 2.4.0'
+	
 	spec.require_paths = ["lib"]
-
+	
 	spec.add_dependency "http-hpack", "~> 0.1.0"
-
+	
 	spec.add_development_dependency "covered"
 	spec.add_development_dependency "bundler", ">= 1.16"
 	spec.add_development_dependency "rake", "~> 10.0"
 	spec.add_development_dependency "rspec", "~> 3.0"
 end