diff --git a/tests/conftest.py b/tests/conftest.py
index 22487f97e..b45824a9e 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,4 +1,6 @@
+import asyncio
 import socket
+import sys
 from collections.abc import Callable
 from pathlib import Path
 from typing import Any
@@ -7,6 +9,11 @@ import pytest
 
 from fastmcp.utilities.tests import temporary_settings
 
+# Use SelectorEventLoop on Windows to avoid ProactorEventLoop crashes
+# See: https://github.com/python/cpython/issues/116773
+if sys.platform == "win32":
+    asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
+
 
 def pytest_collection_modifyitems(items):
     """Automatically mark tests in integration_tests folder with 'integration' marker."""