diff --git a/docs/requirements.txt b/docs/requirements.txt
index dc512cd..db03463 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -18,7 +18,7 @@ Pygments==2.6.1
 pyparsing==2.4.7
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 rsa==3.4.2
 s3transfer==0.3.3