diff --git a/requirements.txt b/requirements.txt
index 4e62e68..5ca6fae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ grpcio==1.15.0
 gunicorn==19.9.0
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==3.1.5
 kiwisolver==1.0.1
 lxml==4.2.5
 MarkupSafe==1.0