diff --git a/requirements.txt b/requirements.txt
index b98e857..ac94fae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ MarkupSafe==1.1.1
 pycparser==2.20
 python-engineio==3.13.1
 python-socketio==4.6.0
-PyYAML==5.3.1
+PyYAML==5.4
 six==1.15.0
 SQLAlchemy==1.3.18
 Werkzeug==1.0.1