diff --git a/tests/test_dependency_wrapped.py b/tests/test_dependency_wrapped.py
index 276f9460fe..aeaadf132b 100644
--- a/tests/test_dependency_wrapped.py
+++ b/tests/test_dependency_wrapped.py
@@ -1,5 +1,5 @@
 import inspect
-from asyncio import iscoroutinefunction
+import sys
 from functools import wraps
 from typing import AsyncGenerator, Generator
 
@@ -8,6 +8,11 @@ from fastapi import Depends, FastAPI
 from fastapi.concurrency import iterate_in_threadpool, run_in_threadpool
 from fastapi.testclient import TestClient
 
+if sys.version_info >= (3, 13):  # pragma: no cover
+    from inspect import iscoroutinefunction
+else:  # pragma: no cover
+    from asyncio import iscoroutinefunction
+
 
 def noop_wrap(func):
     @wraps(func)