diff --git a/requirements.txt b/requirements.txt
index 955f020..5aa973e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -96,7 +96,7 @@ pytest==4.6.3
 python-crontab==2.3.6
 python-dateutil==2.8.0
 pytz==2019.1
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==18.0.1
 redis==3.2.1
 requests==2.22.0