diff --git a/.gemspec b/.gemspec
index 79a10ff..679332b 100644
--- a/.gemspec
+++ b/.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rr', '>= 1.0.4'
   s.add_development_dependency 'bacon-bits'
   s.add_development_dependency 'bacon-rr'
-  s.files = Dir.glob(%w[{lib,test}/**/*.rb bin/* [A-Z]*.{txt,rdoc} ext/**/*.{rb,c}]) + %w{Rakefile .gemspec .travis.yml}
+  s.files = Dir.glob(%w[{lib,test}/**/*.rb bin/* [A-Z]*.{txt,rdoc,md} ext/**/*.{rb,c}]) + %w{Rakefile .gemspec .travis.yml}
   s.files += Dir.glob(['man/*', '*.gemspec']) + %w{test/.riplrc}
   s.extra_rdoc_files = ["README.rdoc", "LICENSE.txt"]
   s.license = 'MIT'