diff --git a/README.md b/README.md
index dfe3c3b..436e86f 100644
--- a/README.md
+++ b/README.md
@@ -176,6 +176,7 @@ _For a complete listing of all available packages, see [Django Packages](https:/
 ### Users
 - [django-allauth](https://github.com/pennersr/django-allauth/) - Improved user registration including social auth.
 - [django-organizations](https://github.com/bennylope/django-organizations/) - Multi-user accounts for Django projects.
+- [django-cas-ng](https://github.com/django-cas-ng/django-cas-ng) - Django-cas-ng is Django CAS (Central Authentication Service) 1.0/2.0/3.0 client library to support SSO (Single Sign On) and Single Logout (SLO).
 
 ### Views
 - [django-braces](https://github.com/brack3t/django-braces) - Reusable, generic mixins.