diff --git a/requirements.txt b/requirements.txt
index 98c42b4..259cf6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ grpcio==1.16.1
 gunicorn==19.9.0
 h5py==2.8.0
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 Keras==2.2.4
 Keras-Applications==1.0.6
 Keras-Preprocessing==1.0.5