diff --git a/tests/test_2way.py b/tests/test_2way.py
index 410c299..a497a48 100644
--- a/tests/test_2way.py
+++ b/tests/test_2way.py
@@ -71,7 +71,7 @@ def test_simple_context(
     pointlessly_open_stream,
 ):
 
-    timeout = 1.5 if not platform.system() == 'Windows' else 3
+    timeout = 1.5 if not platform.system() == 'Windows' else 4
 
     async def main():