activeadmin.gemspec in activeadmin-0.4.4 vs activeadmin.gemspec in activeadmin-0.5.0.pre

@@ -20,11 +20,12 @@
   s.add_dependency("rails", ">= 3.0.0")
   s.add_dependency("jquery-rails", ">= 1.0.0")
   s.add_dependency("bourbon", ">= 1.0.0")
   s.add_dependency("meta_search", ">= 0.9.2")
   s.add_dependency("devise", ">= 1.1.2")
-  s.add_dependency("formtastic", "~> 2.1.1")
+  s.add_dependency("formtastic", ">= 2.0.0")
   s.add_dependency("inherited_resources", ">= 1.3.1")
   s.add_dependency("kaminari", ">= 0.13.0")
   s.add_dependency("sass", ">= 3.1.0")
   s.add_dependency("fastercsv", ">= 0")
+  s.add_dependency("arbre", ">= 1.0.1")
 end