diff --git a/requirements.txt b/requirements.txt
index 1b4e601..57013d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ Pygments==2.2.0
 pyparsing==2.3.0
 python-dateutil==2.7.5
 pytz==2018.7
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==17.1.2
 qtconsole==4.4.2
 requests==2.20.0