diff --git a/aphrodite/config/structured_outputs.py b/aphrodite/config/structured_outputs.py
index 79ae10526a..ac70362504 100644
--- a/aphrodite/config/structured_outputs.py
+++ b/aphrodite/config/structured_outputs.py
@@ -1,8 +1,9 @@
 import hashlib
-from typing import Any, Literal, Self
+from typing import Any, Literal
 
 from pydantic import model_validator
 from pydantic.dataclasses import dataclass
+from typing_extensions import Self
 
 from aphrodite.config.utils import config