diff --git a/requirements.txt b/requirements.txt
index 9e0fc40..7402756 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ pyasn1==0.4.8
 pyasn1-modules==0.2.8
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 requests-oauthlib==1.3.0
 rsa==4.0