diff --git a/requirements.txt b/requirements.txt
index 94679ed..9a83489 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -66,7 +66,7 @@ pyrsistent==0.15.4
 PySocks==1.7.1
 python-dateutil==2.7.5
 pytz==2019.2
-PyYAML==4.2b1
+PyYAML==5.4
 pyzmq==18.1.0
 qtconsole==4.5.5
 requests==2.22.0