diff --git a/api/requirements.txt b/api/requirements.txt
index f7aa33f..d9c789d 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -22,7 +22,7 @@ PyMySQL==0.9.3
 pyrsistent==0.15.2
 python-dateutil==2.8.0
 python-editor==1.0.4
-PyYAML==5.1
+PyYAML==5.4
 setproctitle==1.1.10
 six==1.12.0
 SQLAlchemy==1.3.3