diff --git a/requirements.txt b/requirements.txt
index 22239c6..f651373 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ python-dateutil==2.8.1
 python-http-client==3.2.5
 python3-openid==3.1.0
 pytz==2019.3
-PyYAML==5.3
+PyYAML==5.4
 requests==2.22.0
 requests-oauthlib==1.3.0
 sendgrid==6.1.2