diff --git a/dash-heroku-master/requirements.txt b/dash-heroku-master/requirements.txt
index a61c9df..93aa757 100644
--- a/dash-heroku-master/requirements.txt
+++ b/dash-heroku-master/requirements.txt
@@ -154,7 +154,7 @@ python-dateutil==2.8.0
 python-utils==2.3.0
 pytz==2019.2
 PyWavelets==1.0.3
-pywin32==224
+pywin32==301
 pywinpty==0.5.5
 PyYAML==5.1.2
 pyzmq==18.1.0