diff --git a/website/docs/installation/configuration.md b/website/docs/installation/configuration.md
index b39d56fea..feadb6147 100644
--- a/website/docs/installation/configuration.md
+++ b/website/docs/installation/configuration.md
@@ -26,6 +26,7 @@ All of these variables can be set to values, but you can also use a URI-like for
 ## Redis Settings
 
 - `AUTHENTIK_REDIS__HOST`: Hostname of your Redis Server
+- `AUTHENTIK_REDIS__PORT`: Redis port, defaults to 6379
 - `AUTHENTIK_REDIS__PASSWORD`: Password for your Redis Server
 - `AUTHENTIK_REDIS__CACHE_DB`: Database for caching, defaults to 0
 - `AUTHENTIK_REDIS__MESSAGE_QUEUE_DB`: Database for the message queue, defaults to 1