diff --git a/demo/api/requirements.txt b/demo/api/requirements.txt
index 5f26b9e..125abae 100644
--- a/demo/api/requirements.txt
+++ b/demo/api/requirements.txt
@@ -7,7 +7,7 @@ gast==0.2.2
 grpcio==1.19.0
 h5py==2.9.0
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 Keras==2.2.4
 Keras-Applications==1.0.7
 Keras-Preprocessing==1.0.9