diff --git a/Gemfile b/Gemfile
index c47a947cab0a2bef74383690ad2e9d731719649b..6d4c3318f4f6a5314f31e23d7032a4f5d8d562d4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -278,3 +278,5 @@ gem "newrelic_rpm"
 
 gem 'octokit', '3.7.0'
 gem "rugments"
+
+NOTE: The authentication gem used in GitLab is called 'Devise'