diff --git a/app/models/role.rb b/app/models/role.rb
new file mode 100644
--- /dev/null
+++ b/app/models/role.rb
@@ -0,0 +1,4 @@
+class Role < ActiveRecord::Base
+  has_and_belongs_to_many :users
+  has_and_belongs_to_many :rights
+end