diff --git a/v2/requirements.txt b/v2/requirements.txt
index 36fec52..936ba4e 100644
--- a/v2/requirements.txt
+++ b/v2/requirements.txt
@@ -32,7 +32,7 @@ pycodestyle==2.5.0
 pyflakes==2.1.1
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3
+PyYAML==5.4
 requests==2.23.0
 retrying==1.3.3
 s3transfer==0.3.3