--- a/parse-cron.gemspec
+++ b/parse-cron.gemspec
@@ -14,9 +14,7 @@
 
   s.rubyforge_project = "parse-cron"
 
-  s.files         = `git ls-files`.split("\n")
-  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
-  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.files         = Dir["lib/**/*.rb"]
   s.require_paths = ["lib"]
 
   s.add_development_dependency 'rspec', '~>2.6.0'