diff --git a/requirements.txt b/requirements.txt
index aa146d3..56349ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Flask==1.0
 Flask-SocketIO==0.5.0
-Jinja2==2.7.3
+Jinja2==2.11.3
 MarkupSafe==0.23
 Werkzeug==0.15.3
 gevent==1.0.1