diff --git a/geocoder.gemspec b/geocoder.gemspec
index c117d63ab29a9c4e104d5166d53e4c78a992cbe2..eca0417b5cdaa42963d56f0830f5dd1a44642286 100644
--- a/geocoder.gemspec
+++ b/geocoder.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.date        = Date.today.to_s
   s.summary     = "Complete geocoding solution for Ruby."
   s.description = "Provides object geocoding (by street or IP address), reverse geocoding (coordinates to street address), distance queries for ActiveRecord and Mongoid, result caching, and more. Designed for Rails but works with Sinatra and other Rack frameworks too."
-  s.files       = Dir['CHANGELOG.md', 'LICENSE', 'README.rdoc', 'examples/**/*', 'lib/**/*', 'bin/*']
+  s.files       = Dir['CHANGELOG.md', 'LICENSE', 'README.md', 'examples/**/*', 'lib/**/*', 'bin/*']
   s.require_paths = ["lib"]
   s.executables = ["geocode"]
   s.license     = 'MIT'