diff --git a/Packaging/requirements-lock.txt b/Packaging/requirements-lock.txt
index 0d349065..8be1c467 100644
--- a/Packaging/requirements-lock.txt
+++ b/Packaging/requirements-lock.txt
@@ -50,7 +50,7 @@ pylint==2.3.1
 pyparsing==2.4.2
 python-dateutil==2.8.0
 pytz==2019.2
-PyYAML==5.1.2
+PyYAML==5.4
 readme-renderer==24.0
 requests==2.22.0
 requests-toolbelt==0.9.1