diff --git a/tests/test_mcp_config.py b/tests/test_mcp_config.py
index 41924813bb..5a291d9d41 100644
--- a/tests/test_mcp_config.py
+++ b/tests/test_mcp_config.py
@@ -243,6 +243,10 @@ def add(a: int, b: int) -> int:
         assert result_2.data == 3
 
 
+@pytest.mark.skipif(
+    sys.platform.startswith("win32"),
+    reason="Windows has process lifecycle issues with parallel stdio subprocess calls",
+)
 async def test_multi_client_parallel_calls(tmp_path: Path):
     server_script = inspect.cleandoc("""
         from fastmcp import FastMCP