diff --git a/_Sidebar.md b/_Sidebar.md
index 1915219..6d9d9a1 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -53,6 +53,7 @@
 * [Google login](https://github.com/wekan/wekan/wiki/Google-login)
 * [Azure](https://github.com/wekan/wekan/wiki/Azure)
 * [OAuth2](https://github.com/wekan/wekan/wiki/OAuth2), Auth0, GitLab, RocketChat
+* [ADFS 4.0 using OAuth2 and OpenID](https://github.com/wekan/wekan/wiki/ADFS)
 * [Nextcloud](https://github.com/wekan/wekan/wiki/Nextcloud)
 * [IFTTT](https://github.com/wekan/wekan/wiki/IFTTT)
 * [Custom Fields](https://github.com/wekan/wekan/wiki/Custom-Fields)