diff --git a/omniauth.gemspec b/omniauth.gemspec
index bef88cb..3e0521f 100644
--- a/omniauth.gemspec
+++ b/omniauth.gemspec
@@ -8,13 +8,11 @@ Gem::Specification.new do |gem|
   gem.authors = ['Michael Bleigh', 'Erik Michaels-Ober']
   gem.description = %q{OmniAuth is an authentication framework that that separates the concept of authentiation from the concept of identity, providing simple hooks for any application to have one or multiple authentication providers for a user.}
   gem.email = ['michael@intridea.com', 'sferik@gmail.com']
-  gem.executables = `git ls-files -- bin/*`.split("\n").map{|f| File.basename(f)}
-  gem.files = `git ls-files`.split("\n")
+  gem.files = Dir.glob("lib/**/*") + %w(README.md LICENSE.md)
   gem.homepage = 'http://github.com/intridea/omniauth'
   gem.name = 'omniauth'
   gem.require_paths = ['lib']
   gem.required_rubygems_version = Gem::Requirement.new('>= 1.3.6')
-  gem.summary = %q{Rack middleware for standardized multi-provider authentication.}
-  gem.test_files = `git ls-files -- {test,spec,features}/*`.split("\n")
+  gem.summary = %q{Rack middleware for standardized multi-provider authentication}
   gem.version = OmniAuth::Version::STRING
 end