mongoid-userstamps.gemspec in mongoid-userstamps-2.0.0 vs mongoid-userstamps.gemspec in mongoid-userstamps-3.0.0.alpha1

@@ -18,9 +18,9 @@
   s.test_files    = s.files.grep(%r{^(test|spec|features)/})
   s.require_paths = ['lib']
 
   s.post_install_message = File.read('UPGRADING') if File.exists?('UPGRADING')
 
-  s.add_dependency 'mongoid', '~> 4.0'
+  s.add_dependency 'mongoid', '~> 5.0'
   s.add_dependency 'activesupport', '~> 4.0'
 end