diff --git a/requirements.txt b/requirements.txt
index 9cb6f75..7bc09fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ python-dateutil==2.8.1
 python-dotenv==0.12.0
 python-utils==2.4.0
 pytz==2019.3
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 six==1.14.0
 SQLAlchemy==1.3.15