diff --git a/Gemfile b/Gemfile
index e3db49df1..976d6f87e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -97,7 +97,7 @@ gem 'openid-redis-store'
 gem 'omniauth-facebook'
 gem 'omniauth-twitter'
 gem 'omniauth-github'
-gem 'omniauth-oauth2'
+gem 'omniauth-oauth2', require: false
 gem 'omniauth-browserid', git: 'https://github.com/callahad/omniauth-browserid.git', branch: 'observer_api'
 gem 'omniauth-cas'
 gem 'oj'