Sprockets::FileNotFound - couldn't find file 'jquery.ui'

This has been asked a few times, but I tried the solutions provided and they still didn't help, so I'm asking a new question. Gemfile ``` gem 'jquery-ui-rails' ``` As suggested, I placed my gem outside the `:assets` group Application.css~ ``` *= require_self *= require jquery.ui *= require bootstrap-datepicker *= require jquery.timepicker *= require_tree . */ ``` The `Rails Asset Pipeline` loads assets based on the order they are listed. Here, I have it at number 2 on the list. Application.css.scss ``` *= require_self *= require fullcalendar *= require jquery.ui *= require fullcalendar_engine/application ``` Application.js ``` //= require jquery //= require jquery.ui //= require jquery_ujs //= require wice_grid //= require turbolinks //= require fullcalendar ``` Once again, `jquery.ui` is loaded immediately after `jquery`. I also ran `bundle list` to ensure my gems are up to date. ``` jquery-rails (3.1.2) jquery-ui-rails (5.0.3) ``` I am using the updated versions of these gems. Also, I no longer type in `jquery.ui.all` It looks like I've followed most of the suggestions from previous answers, but to no avail.