diff --git a/requirements.txt b/requirements.txt
index d8a9ee4..39cf0e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ grpcio==1.18.0
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 more-itertools==5.0.0
 msgpack==0.6.1