diff --git a/requirements-dev.txt b/requirements-dev.txt
index d108450a..33a4c53b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -89,7 +89,7 @@ pytest-trio==0.8.0
 
 pytest-asyncio==1.3.0
 
-pywin32==311 ; platform_system == 'Windows'
+pywin32==312 ; platform_system == 'Windows'
 
 requests==2.33.0 ; python_version >= '3.7'