diff --git a/requirements.txt b/requirements.txt
index b626e13..11643d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -53,7 +53,7 @@ pyrsistent==0.16.0
 python-jose==3.1.0
 pytz==2019.3
 pywebpush==1.11.0
-PyYAML==5.3.1
+PyYAML==5.4
 qrcode==6.1
 requests==2.23.0
 rsa==4.0