diff --git a/docs/hub/spaces-config-reference.md b/docs/hub/spaces-config-reference.md
index f83d1400f..f83d566cc 100644
--- a/docs/hub/spaces-config-reference.md
+++ b/docs/hub/spaces-config-reference.md
@@ -74,6 +74,9 @@ Whether a connected OAuth app is associated to this Space. See [Adding a Sign-In
 **`hf_oauth_scopes`** : _List[string]_
 Authorized scopes of the connected OAuth app. `openid` and `profile` are authorized by default and do not need this parameter. See [Adding a Sign-In with HF button to your space](https://huggingface.co/docs/hub/spaces-oauth) for more details.
 
+**`hf_oauth_expiration_minutes`** : _int_
+Duration of the OAuth token in minutes. Defaults to 480 minutes (8 hours). Maximum duration is 43200 minutes (30 days). See [Adding a Sign-In with HF button to your space](https://huggingface.co/docs/hub/spaces-oauth) for more details.
+
 **`disable_embedding`** : _boolean_  
 Whether the Space iframe can be embedded in other websites.
 Defaults to false, i.e. Spaces *can* be embedded.
diff --git a/docs/hub/spaces-oauth.md b/docs/hub/spaces-oauth.md
index 09abc5c10..8bfde571f 100644
--- a/docs/hub/spaces-oauth.md
+++ b/docs/hub/spaces-oauth.md
@@ -33,6 +33,8 @@ python_version: 3.10.6
 app_file: app.py
 
 hf_oauth: true
+# optional, default duration is 8 hours/480 minutes. Max duration is 30 days/43200 minutes.
+hf_oauth_expiration_minutes: 480
 # optional, see "Scopes" below. "openid profile" is always included.
 hf_oauth_scopes:
  - read-repos