diff --git a/vllm/config/structured_outputs.py b/vllm/config/structured_outputs.py
index 85b6e42264a4..eb1cc7220b8f 100644
--- a/vllm/config/structured_outputs.py
+++ b/vllm/config/structured_outputs.py
@@ -2,10 +2,11 @@
 # SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 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 vllm.config.utils import config