diff --git a/api/ekirjasto_authentication.py b/api/ekirjasto_authentication.py
index 4010e90d2..982a2869b 100644
--- a/api/ekirjasto_authentication.py
+++ b/api/ekirjasto_authentication.py
@@ -239,6 +239,10 @@ def _authentication_flow_document(self, _db: Session) -> dict[str, Any]:
                     "rel": "passkey_login_finish",
                     "href": f"{self._ekirjasto_api_url}/v1/auth/passkey/login/finish",
                 },
+                {
+                    "rel": "relations",
+                    "href": f"{self._ekirjasto_api_url}/v1/identities/patron/relations",
+                },
                 {
                     "rel": "passkey_register_start",
                     "href": self._create_circulation_url(