handlebars_assets.gemspec in handlebars_assets-0.6.7 vs handlebars_assets.gemspec in handlebars_assets-0.7.0

@@ -20,6 +20,7 @@
 
   s.add_runtime_dependency "execjs", ">= 1.2.9"
   s.add_runtime_dependency "tilt"
   s.add_runtime_dependency "sprockets", ">= 2.0.3"
   s.add_development_dependency "rake"
+  s.add_development_dependency "haml"
 end