Forwarded: https://gitlab.com/gitlab-org/gitlab-ce/issues/2740

Index: gitlab/Gemfile
===================================================================
--- gitlab.orig/Gemfile
+++ gitlab/Gemfile
@@ -14,7 +14,7 @@ gem "mysql2", group: :mysql
 gem "pg", group: :postgres
 
 # Authentication libraries
-gem "devise", '3.2.4'
+gem "devise", '~> 3.2'
 gem "devise-async", '0.9.0'
 gem 'omniauth', "~> 1.2.2"
 gem 'omniauth-google-oauth2'