middleman-xmlvalidator.gemspec in middleman-xmlvalidator-0.0.39 vs middleman-xmlvalidator.gemspec in middleman-xmlvalidator-0.0.40

@@ -23,9 +23,9 @@
   gem.add_development_dependency "bundler", "~> 1.3"
   gem.add_development_dependency "rake"
   gem.add_development_dependency "nokogiri", "~>1.5.6"
   gem.add_development_dependency "middleman", "~>3.0.12"
 
-  gem.add_dependency "nokogiri", "~>1.5.6"
+  gem.add_dependency("nokogiri", ["~>1.5.6"])
 
-  gem.add_runtime_dependency "nokogiri", "~>1.5.6"
+  gem.add_runtime_dependency("nokogiri", ["~>1.5.6"])
 end