diff --git a/model/requirements.txt b/model/requirements.txt
index ecca225..53dd79d 100644
--- a/model/requirements.txt
+++ b/model/requirements.txt
@@ -47,7 +47,7 @@ pytest-cov==2.10.0
 python-daemon==2.2.4
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 regex==2020.7.14
 requests==2.24.0
 rsa==4.6