diff --git a/tests/test_basic.py b/tests/test_basic.py
index 0bf8c4c..3d1bb0f 100644
--- a/tests/test_basic.py
+++ b/tests/test_basic.py
@@ -108,6 +108,15 @@
 setup_logging(TEST_CONFIG["LOG"])
 
 
+@pytest.fixture
+def current_event_loop():
+    loop = asyncio.new_event_loop()
+    asyncio.set_event_loop(loop)
+    yield loop
+    loop.close()
+    asyncio.set_event_loop(None)
+
+
 class aioresponses_delayed(aioresponses):  # noqa
     """
     Just like aioresponses, but slightly delays POST requests.
@@ -134,6 +143,7 @@ async def close(self):
         await self.session.on_close()
 
 
+@pytest.mark.usefixtures("current_event_loop")
 class TestShark:
     def test_shark_init(self):
         shark = SocketShark(TEST_CONFIG)
@@ -2522,6 +2532,7 @@ async def dummy_send(*args):
         await shark.shutdown()
 
 
+@pytest.mark.usefixtures("current_event_loop")
 class TestWebsocket:
     """
     Test an actual WebSocket connection.
diff --git a/uv.lock b/uv.lock
index 2ecf877..87a69f0 100644
--- a/uv.lock
+++ b/uv.lock
@@ -778,16 +778,16 @@ wheels = [
 
 [[package]]
 name = "pytest-asyncio"
-version = "1.3.0"
+version = "1.4.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "backports-asyncio-runner", marker = "python_full_version < '3.11'" },
     { name = "pytest" },
     { name = "typing-extensions", marker = "python_full_version < '3.13'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/90/2c/8af215c0f776415f3590cac4f9086ccefd6fd463befeae41cd4d3f193e5a/pytest_asyncio-1.3.0.tar.gz", hash = "sha256:d7f52f36d231b80ee124cd216ffb19369aa168fc10095013c6b014a34d3ee9e5", size = 50087, upload-time = "2025-11-10T16:07:47.256Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/43/7c/d36d04db312ecf4298932ef77e6e4a9e8ad017906e24e34f0b0c361a2473/pytest_asyncio-1.4.0.tar.gz", hash = "sha256:c6c0d2259945122819f171a32ecea2c349ead889ee28176caaf492143424be42", size = 58514, upload-time = "2026-05-26T09:56:04.083Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e5/35/f8b19922b6a25bc0880171a2f1a003eaeb93657475193ab516fd87cac9da/pytest_asyncio-1.3.0-py3-none-any.whl", hash = "sha256:611e26147c7f77640e6d0a92a38ed17c3e9848063698d5c93d5aa7aa11cebff5", size = 15075, upload-time = "2025-11-10T16:07:45.537Z" },
+    { url = "https://files.pythonhosted.org/packages/03/e2/08a497ef684b88559c9cc5f4ad53a37e7b99e727094a86d6ea32536d5d3c/pytest_asyncio-1.4.0-py3-none-any.whl", hash = "sha256:933ca923a23075a87fb7070c0ec272a6848489824d887c85c812670932835aa1", size = 16930, upload-time = "2026-05-26T09:56:02.576Z" },
 ]
 
 [[package]]