diff --git a/requirements.txt b/requirements.txt
index 2e82803..1e991dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ pysmi==0.3.4
 pysnmp==4.4.12
 python-engineio==3.13.0
 python-socketio==4.6.0
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 six==1.15.0
 tqdm==4.46.0