--- a/rspec-support.gemspec
+++ b/rspec-support.gemspec
@@ -13,8 +13,7 @@
   spec.description   = "Support utilities for RSpec gems"
   spec.license       = "MIT"
 
-  spec.files         = `git ls-files -- lib/*`.split("\n")
-  spec.files         += %w[README.md LICENSE.md Changelog.md]
+  spec.files         = Dir["lib/**/*"]
   spec.test_files    = []
   spec.rdoc_options  = ["--charset=UTF-8"]
   spec.require_paths = ["lib"]