diff --git a/requirements.txt b/requirements.txt
index c048ee5..83c2817 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -68,7 +68,7 @@ pybind11==2.5.0
 pyparsing==2.4.7
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.3.1
+PyYAML==5.4
 regex==2020.4.4
 requests==2.23.0
 requests-oauthlib==1.3.0