diff --git a/jupyter/jupyter-application.yaml b/jupyter/jupyter-application.yaml
index dc70ddc..88caa7d 100644
--- a/jupyter/jupyter-application.yaml
+++ b/jupyter/jupyter-application.yaml
@@ -7,7 +7,7 @@ spec:
   project: default
   source:
     repoURL: https://platform.sunet.se/streams/streams-manifests.git
-    targetRevision: streams-manifests-2025-02-03-v07
+    targetRevision: streams-manifests-2025-02-03-v08
     path: jupyter/overlays/test
   destination:
     server: https://kubernetes.default.svc
diff --git a/jupyter/overlays/test/values/values.yaml b/jupyter/overlays/test/values/values.yaml
index 3d0c727..5caa67e 100644
--- a/jupyter/overlays/test/values/values.yaml
+++ b/jupyter/overlays/test/values/values.yaml
@@ -29,7 +29,7 @@ hub:
       c.GenericOAuthenticator.userdata_url = keycloak_base + '/userinfo'
       c.GenericOAuthenticator.userdata_method = 'GET'
       c.GenericOAuthenticator.userdata_params = {'state': 'state'}
-      c.GenericOAuthenticator.username_key = 'username'
+      c.GenericOAuthenticator.username_key = 'preferred_username'
       c.GenericOAuthenticator.scope = ['openid', 'profile', 'email']
       c.GenericOAuthenticator.admin_users = ['kano', 'benedith']
       c.GenericOAuthenticator.allow_all = True