diff --git a/requirements.txt b/requirements.txt
index d6d05a7..2ea6794 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -94,7 +94,7 @@ pyrsistent==0.14.11
 python-dateutil==2.8.0
 python-dotenv==0.10.3
 pytz==2019.1
-PyYAML==4.2b1
+PyYAML==5.4
 pyzmq==18.0.1
 qtconsole==4.4.3
 redis==3.2.1