diff --git a/async_lru/__init__.py b/async_lru/__init__.py
index 228ebad..645872f 100644
--- a/async_lru/__init__.py
+++ b/async_lru/__init__.py
@@ -1,5 +1,6 @@
 import asyncio
 import dataclasses
+import inspect  # noqa: F401
 import sys
 from asyncio.coroutines import _is_coroutine  # type: ignore[attr-defined]
 from functools import _CacheInfo, _make_key, partial, partialmethod
@@ -27,6 +28,11 @@
 else:
     from typing_extensions import Self
 
+if sys.version_info >= (3, 14):
+    iscoroutinefunction = inspect.iscoroutinefunction
+else:
+    iscoroutinefunction = asyncio.iscoroutinefunction
+
 
 __version__ = "2.0.4"
 
@@ -299,7 +305,7 @@ def wrapper(fn: _CBP[_R]) -> _LRUCacheWrapper[_R]:
         while isinstance(origin, (partial, partialmethod)):
             origin = origin.func
 
-        if not asyncio.iscoroutinefunction(origin):
+        if not iscoroutinefunction(origin):
             raise RuntimeError(f"Coroutine function is required, got {fn!r}")
 
         # functools.partialmethod support
diff --git a/setup.cfg b/setup.cfg
index b7babe0..95fde29 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -74,6 +74,9 @@ known_first_party=async_lru
 addopts= -s --keep-duplicates --cache-clear --verbose --no-cov-on-fail --cov=async_lru --cov=tests/ --cov-report=term --cov-report=html
 filterwarnings =
     error
+    ignore:'asyncio.get_event_loop_policy' is deprecated:DeprecationWarning:pytest_asyncio
+    ignore:'asyncio.set_event_loop_policy' is deprecated:DeprecationWarning:pytest_asyncio
+    ignore:'asyncio.set_event_loop' is deprecated:DeprecationWarning:pytest_asyncio
 testpaths = tests/
 junit_family=xunit2
 asyncio_mode=auto
diff --git a/tests/test_basic.py b/tests/test_basic.py
index acc57a2..3898f49 100644
--- a/tests/test_basic.py
+++ b/tests/test_basic.py
@@ -1,4 +1,5 @@
 import asyncio
+import inspect
 import platform
 import sys
 from functools import _CacheInfo, partial
@@ -6,7 +7,7 @@
 
 import pytest
 
-from async_lru import _CacheParameters, alru_cache
+from async_lru import _CacheParameters, alru_cache, iscoroutinefunction
 
 
 def test_alru_cache_not_callable() -> None:
@@ -27,7 +28,7 @@ async def test_alru_cache_deco(check_lru: Callable[..., None]) -> None:
     async def coro() -> None:
         pass
 
-    assert asyncio.iscoroutinefunction(coro)
+    assert iscoroutinefunction(coro)
 
     check_lru(coro, hits=0, misses=0, cache=0, tasks=0)
 
@@ -41,7 +42,7 @@ async def test_alru_cache_deco_called(check_lru: Callable[..., None]) -> None:
     async def coro() -> None:
         pass
 
-    assert asyncio.iscoroutinefunction(coro)
+    assert iscoroutinefunction(coro)
 
     check_lru(coro, hits=0, misses=0, cache=0, tasks=0)
 
@@ -56,7 +57,7 @@ async def coro() -> None:
 
     coro_wrapped = alru_cache(coro)
 
-    assert asyncio.iscoroutinefunction(coro_wrapped)
+    assert iscoroutinefunction(coro_wrapped)
 
     check_lru(coro_wrapped, hits=0, misses=0, cache=0, tasks=0)