diff --git a/requirements.txt b/requirements.txt
index 3b26845..5735bbb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ pymongo==3.10.1
 python-dateutil==2.8.1
 python-http-client==3.2.7
 pytz==2019.3
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 requests-oauthlib==1.3.0
 rsa==4.0