diff --git a/admin/sitegen-req.txt b/admin/sitegen-req.txt
--- a/admin/sitegen-req.txt
+++ b/admin/sitegen-req.txt
@@ -1,5 +1,5 @@
-Jinja2==2.10
+Jinja2==3.1.2
 termcolor==1.1.0
 pytz==2018.5
 six==1.11.0
 MarkupSafe==2.0.1