diff --git a/tests/test_security_oauth2_client_credentials_description.py b/tests/test_security_oauth2_client_credentials_description.py
index 64a62203f0..ab168de718 100644
--- a/tests/test_security_oauth2_client_credentials_description.py
+++ b/tests/test_security_oauth2_client_credentials_description.py
@@ -1,5 +1,3 @@
-from typing import Optional
-
 from fastapi import FastAPI, Security
 from fastapi.security import OAuth2ClientCredentials
 from fastapi.testclient import TestClient
@@ -14,7 +12,7 @@ oauth2_scheme = OAuth2ClientCredentials(
 
 
 @app.get("/items/")
-async def read_items(token: Optional[str] = Security(oauth2_scheme)):
+async def read_items(token: str | None = Security(oauth2_scheme)):
     return {"token": token}