diff --git a/requirements.txt b/requirements.txt
index 99ef192..054e4c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ python-editor==1.0.3
 python-engineio==3.11.2
 python-socketio==4.4.0
 pytz==2017.2
-PyYAML==5.1.1
+PyYAML==5.4
 rsa==3.4.2
 seaborn==0.9.0
 simplegeneric==0.8.1