diff --git a/www/requirements.txt b/www/requirements.txt
index 8a42e73..60f0bc9 100644
--- a/www/requirements.txt
+++ b/www/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.10.1
 Jinja2==2.8
 MarkupSafe==0.23
-PyYAML==3.11
+PyYAML==5.4
 Werkzeug==0.10.4
 awsebcli==3.5.5
 blessed==1.9.5