diff --git a/docs/requirements.txt b/docs/requirements.txt
index dc9493b..1e8800e 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -93,7 +93,7 @@ pyOpenSSL==19.1.0
 pyparsing==2.4.7
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.3.1
+PyYAML==5.4
 redis==3.5.3
 requests==2.23.0
 retrying==1.3.3