diff --git a/requirements.txt b/requirements.txt
index 21a43eb..68a3c1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ pyrsistent==0.15.4
 python-dateutil==2.8.0
 python-editor==1.0.4
 pytz==2019.2
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==18.1.0
 querystring-parser==1.2.4
 requests==2.22.0