diff --git a/requirements.txt b/requirements.txt
index 89e0423..9d83bad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -107,7 +107,7 @@ python-engineio==3.8.2.post1
 python-socketio==4.0.0
 pytz==2019.1
 pyxdg==0.26
-PyYAML==5.1
+PyYAML==5.4
 query-string==2019.4.13
 redis==2.10.6
 request==2019.4.13