propono.gemspec in propono-0.5.6 vs propono.gemspec in propono-0.6.0

@@ -21,7 +21,8 @@
   spec.add_dependency "fog", "~> 1.15.0"
 
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "mocha"
+  spec.add_development_dependency "yard"
   spec.add_development_dependency "minitest", "~> 5.0.8"
 end