diff --git a/requirements.txt b/requirements.txt
index 95059d0..d43ee36 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ python-editor==1.0.4
 python-engineio==3.13.0
 python-socketio==4.6.0
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 serial==0.0.97
 six==1.15.0