diff --git a/code/joke_bot/requirements.txt b/code/joke_bot/requirements.txt
index 5ebcc9a..a9ad862 100644
--- a/code/joke_bot/requirements.txt
+++ b/code/joke_bot/requirements.txt
@@ -11,7 +11,7 @@ grpcio==1.19.0
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 protobuf==3.7.0
 pyasn1==0.4.5