diff --git a/.gemspec b/.gemspec
index fba00ba..cf19361 100644
--- a/.gemspec
+++ b/.gemspec
@@ -27,7 +27,7 @@ GEMSPEC = Gem::Specification.new do |gem|
 
   gem.required_ruby_version      = '>= 1.8.1'
   gem.requirements               = ['Tor (>= 0.2.1.25)']
-  gem.add_development_dependency 'yard',  '>= 0.5.8'
+  gem.add_development_dependency 'yard',  '>= 0.6.0'
   gem.add_development_dependency 'rspec', '>= 1.3.0'
   gem.post_install_message       = nil
 end