diff --git a/server/requirements.txt b/server/requirements.txt
index e718ed8..ceeabeb 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -19,7 +19,7 @@ grpcio==1.18.0
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 kiwisolver==1.0.1
 MarkupSafe==1.1.0
 matplotlib==3.0.3