diff --git a/spec/support/rails_template.rb b/spec/support/rails_template.rb
index 4329960..49269e5 100644
--- a/spec/support/rails_template.rb
+++ b/spec/support/rails_template.rb
@@ -32,6 +32,15 @@ def self.ransackable_associations(auth_object=nil)
 # Virtual attributes
 inject_into_file "app/models/author.rb", after: "ApplicationRecord\n" do
   <<-STRING
+
+  def self.ransackable_attributes(auth_object=nil)
+    if respond_to?(:authorizable_ransackable_attributes)
+      authorizable_ransackable_attributes
+    else
+      ["birthday", "created_at", "last_seen_at", "updated_at"]
+    end
+  end
+
   validates_presence_of :name
   validates_uniqueness_of :last_name