diff --git a/webserver/app/doc/requirements.txt b/webserver/app/doc/requirements.txt
index 5e140ab..ef18dbd 100644
--- a/webserver/app/doc/requirements.txt
+++ b/webserver/app/doc/requirements.txt
@@ -10,7 +10,7 @@ gevent==1.3.7
 gevent-websocket==0.10.1
 greenlet==0.4.15
 ItsDangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 Mako==1.0.7
 MarkupSafe==1.0
 pycparser==2.19