diff --git a/requirements.txt b/requirements.txt
index 88b8fec..495f6f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ pymongo==3.11.2
 python-dateutil==2.8.1
 python-jsonrpc-server==0.3.4
 pytz==2020.5
-PyYAML==5.3.1
+PyYAML==5.4
 redis==3.5.3
 requests==2.24.0
 six==1.15.0