diff --git a/web-push.gemspec b/web-push.gemspec
index ea408a5..8eec2f8 100644
--- a/web-push.gemspec
+++ b/web-push.gemspec
@@ -1,21 +1,16 @@
-lib = File.expand_path('lib', __dir__)
-$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require 'web_push/version'
+require_relative 'lib/web_push/version'
 
 Gem::Specification.new do |spec|
-  spec.name          = 'web-push'
-  spec.version       = WebPush::VERSION
-  spec.authors       = ['zaru@sakuraba']
-  spec.email         = ['zarutofu@gmail.com']
+  spec.name = 'web-push'
+  spec.version = WebPush::VERSION
+  spec.authors = ['zaru', 'collimarco']
+  spec.email = ['support@pushpad.xyz']
 
-  spec.summary       = 'Encryption Utilities for Web Push payload. '
-  spec.homepage      = 'https://github.com/zaru/webpush'
+  spec.summary = 'Web Push library for Ruby (RFC8030)'
+  spec.homepage = 'https://github.com/pushpad/web-push'
+
+  spec.files = `git ls-files`.split("\n")
 
-  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  spec.bindir        = 'exe'
-  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
-  spec.require_paths = ['lib']
-  
   spec.required_ruby_version = '>= 2.2'
 
   spec.add_dependency 'hkdf', '~> 0.2'