diff --git a/requirements.txt b/requirements.txt
index e8ca893193..9a6a283857 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ blinker==1.4
 psycopg2==2.8.3
 python-dateutil==2.8.0
 pytz>=2019.3
-PyYAML==5.1.2
+PyYAML==5.4
 redis==3.3.11
 requests==2.21.0
 SQLAlchemy==1.3.10