diff --git a/requirements.txt b/requirements.txt
index 3efefa5..152eefd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask-Cors==3.0.7
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 msgpack==0.5.6
 msgpack-numpy==0.4.3.2