diff --git a/requirements.txt b/requirements.txt
index f6e9d12..10aa94e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ pyparsing==2.3.0
 pyrsistent==0.16.0
 python-dateutil==2.7.5
 pytz==2018.7
-pywin32==228
+pywin32==301
 PyYAML==3.13
 pyzmq==19.0.1
 SALib==1.3.11