diff --git a/Gemfile b/Gemfile
index 623179534..b4a30658d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -52,6 +52,8 @@ gem 'acts-as-taggable-on', '~> 6.0'
 # a tree structure
 gem 'ancestry'
 
+gem 'acts_as_list'
+
 group :development, :test do
   gem 'rspec-rails', '~> 3.8'
 end