headdesk.gemspec in headdesk-0.15.1 vs headdesk.gemspec in headdesk-0.16.0

@@ -36,7 +36,8 @@
 
   spec.add_dependency 'awesome_print', '~> 1.8'
   spec.add_dependency 'gems', '~> 1.1'
   spec.add_dependency 'nokogiri', '~> 1.10'
   spec.add_dependency 'oily_png', '~> 1.2'
+  spec.add_dependency 'plist', '~> 3.5'
   spec.add_dependency 'thor', '~> 0.20'
 end