diff --git a/requirements.txt b/requirements.txt
index e1d1c3d..038ef8e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -196,7 +196,7 @@ pytest-remotedata==0.3.1
 python-dateutil==2.7.5
 pytz==2018.7
 PyWavelets==1.0.1
-pywin32==223
+pywin32==301
 pywin32-ctypes==0.2.0
 pywinpty==0.5.4
 PyYAML==3.13