diff --git a/requirements.txt b/requirements.txt
index d601371..f31d2ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask==0.12.2
 greenlet==0.4.12
 idna==2.5
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 python-engineio==1.7.0
 python-socketio==1.7.6