diff --git a/python-client/requirements.txt b/python-client/requirements.txt
index 8d50170..134890b 100644
--- a/python-client/requirements.txt
+++ b/python-client/requirements.txt
@@ -13,7 +13,7 @@ gunicorn==19.7.1
 idna==2.6
 idna-ssl==1.0.1
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 multidict==4.1.0
 numpy==1.14.1