diff --git a/jupyter/base/values/values.yaml b/jupyter/base/values/values.yaml
index 8d27b90..5f2905c 100644
--- a/jupyter/base/values/values.yaml
+++ b/jupyter/base/values/values.yaml
@@ -26,6 +26,14 @@ hub:
           super().pre_spawn_start(user, spawner)
           access_token = self.user_dict[user.name]['access_token']
           spawner.environment['NEXTCLOUD_ACCESS_TOKEN'] = access_token
+
+        async def refresh_user(self, user, handler=None):
+          access_token = self.user_dict[user.name]['access_token']
+          refresh_token = self.user_dict[user.name]['refresh_token']
+          token_response = self.user_dict[user.name]['token_response']
+          print(token_response)
+          return True
+
       c.JupyterHub.authenticator_class = NextcloudOAuthenticator
       c.NextcloudOAuthenticator.client_id = os.environ['NEXTCLOUD_CLIENT_ID']
       c.NextcloudOAuthenticator.client_secret = os.environ['NEXTCLOUD_CLIENT_SECRET']