diff --git a/requirements.txt b/requirements.txt
index c527718..ce70b54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ botocore==1.17.20
 docutils==0.15.2
 jmespath==0.10.0
 python-dateutil==2.8.1
-PyYAML==5.3.1
+PyYAML==5.4
 s3transfer==0.3.3
 six==1.15.0
 urllib3==1.25.9