diff --git a/Gemfile b/Gemfile
index 2eb0500..8d46100 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,8 @@
 source 'https://rubygems.org'
 ruby '2.6.0'
 gem 'rails', '5.2.2'
+# TODO Upgrade sprockets
+gem 'sprockets', '~> 3.7'
 gem 'sass-rails' #, '~> 4.0.3'
 gem 'uglifier' #, '>= 1.3.0'
 gem 'coffee-rails' #, '~> 4.0.0'