diff --git a/doc/install/installation.md b/doc/install/installation.md
index 0a5cd0b4d4c3781f9d709ce470fbe5e90710bc71..0fdd48aeb05b637dffcf841ea3139146595d4c76 100644
--- a/doc/install/installation.md
+++ b/doc/install/installation.md
@@ -398,3 +398,7 @@ You also need to change the corresponding options (e.g. `ssh_user`, `ssh_host`,
 ### LDAP Authentication
 
 You can configure LDAP authentication in `config/gitlab.yml`. Please restart GitLab after editing this file.
+
+### Using Custom Omniauth Providers
+
+See the [omniauth integration document](doc/integration/omniauth.md)