diff --git a/requirements.txt b/requirements.txt
index 9dd43c2..5079a7a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ google-auth-oauthlib==0.4.1
 httplib2==0.17.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 oauthlib==3.1.0
 paho-mqtt==1.5.0