diff --git a/tests/routes/test_navigation_routes.py b/tests/routes/test_navigation_routes.py
index c32934c..bd5b226 100644
--- a/tests/routes/test_navigation_routes.py
+++ b/tests/routes/test_navigation_routes.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import secrets
 from datetime import datetime
 from typing import Tuple, cast
 
@@ -70,7 +71,7 @@ def navigation_client() -> Tuple[TestClient, StubNavigationService, AuthSession]
 
     user = cast(User, object())
     session = AuthSession(
-        tokens=SessionTokens(access_token="token", refresh_token=None),
+        tokens=SessionTokens(access_token=secrets.token_urlsafe(16), refresh_token=None),
         user=user,
         role_slugs=("viewer",),
     )