diff --git a/api/requirements.txt b/api/requirements.txt
index b4063f8b..3353b6ca 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -35,7 +35,7 @@ pyasn1-modules==0.2.8
 pyrsistent==0.16.0
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.1.2
+PyYAML==5.4
 requests==2.23.0
 rsa==4.6
 six==1.15.0