Add the MIT-LICENSE to the Active Record gemspec

activerecord/activerecord.gemspec

@@ -13,7 +13,7 @@
   s.email             = 'david@loudthinking.com'
   s.homepage          = 'http://www.rubyonrails.org'
 
-  s.files        = Dir['CHANGELOG', 'README.rdoc', 'examples/**/*', 'lib/**/*']
+  s.files        = Dir['CHANGELOG', 'MIT-LICENSE', 'README.rdoc', 'examples/**/*', 'lib/**/*']
   s.require_path = 'lib'
 
   s.extra_rdoc_files = %w( README.rdoc )