diff --git a/requirements.txt b/requirements.txt
index 2d1109eb..aed65e6b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ configparser==3.5.0
 Django==1.8
 django-autocomplete-light==2.3.3
 django-autoslug==1.9.3
-git+https://github.com/xapantu/django-cas-ng.git#egg=django-cas-ng
+django-cas-ng==3.5.5
 django-grappelli==2.8.1
 django-recaptcha==1.0.5
 mysqlclient==1.3.7