diff --git a/requirements.txt b/requirements.txt
index 2451752..a688de4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -149,7 +149,7 @@ python-coveralls==2.9.2
 python-dateutil==2.8.0
 pytz==2018.9
 PyWavelets==1.0.2
-pywin32==223
+pywin32==301
 pywinpty==0.5.5
 PyYAML==5.1
 pyzmq==18.0.0