diff --git a/requirements.txt b/requirements.txt
index 91177be..150edc3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -92,7 +92,7 @@ pytest-runner==5.2
 python-dateutil==2.8.1
 pytz==2019.3
 pywin32==227
-PyYAML==5.3.1
+PyYAML==5.4
 queuelib==1.5.0
 regex==2018.7.11
 requests==2.23.0