diff --git a/rootfs/usr/local/lib/web/backend/requirements.txt b/rootfs/usr/local/lib/web/backend/requirements.txt
index 7f5e2a5..0590bd4 100644
--- a/rootfs/usr/local/lib/web/backend/requirements.txt
+++ b/rootfs/usr/local/lib/web/backend/requirements.txt
@@ -9,7 +9,7 @@ gevent-websocket==0.10.1
 greenlet==0.4.15
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 meld3==2.0.0
 requests==2.22.0