diff --git a/requirements.txt b/requirements.txt
index 3716b09..a588147 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ pyparsing==2.2.0
 PyQt5==5.10.1
 python-dateutil==2.7.2
 pytz==2018.4
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==17.0.0
 qtconsole==4.3.1
 scikit-learn==0.19.1