diff --git a/web/restless/requirements.txt b/web/restless/requirements.txt
index be257f7..41f3794 100644
--- a/web/restless/requirements.txt
+++ b/web/restless/requirements.txt
@@ -1,3 +1,3 @@
 Flask==1.1.1
-PyYAML==5.3
+PyYAML==5.4
 gunicorn==20.0.4