diff --git a/prereqs/pips/app_requirements.txt b/prereqs/pips/app_requirements.txt
index c70e7a01f5..db4b8a77e0 100644
--- a/prereqs/pips/app_requirements.txt
+++ b/prereqs/pips/app_requirements.txt
@@ -79,7 +79,7 @@ sphinx_autodoc_typehints==3.0.1
 #
 # Windows
 #
-pywin32==306; sys_platform == 'win32'
+pywin32==309; sys_platform == 'win32'
 WMI==1.5.1; sys_platform == 'win32'
 comtypes==1.4.5; sys_platform == 'win32'
 #