diff --git a/croom-worker/requirements.txt b/croom-worker/requirements.txt
index 7485c0a..b9b601e 100644
--- a/croom-worker/requirements.txt
+++ b/croom-worker/requirements.txt
@@ -9,7 +9,7 @@ gevent==1.2.1
 greenlet==0.4.12
 influxdb==4.0.0
 itsdangerous==0.24
-Jinja2==2.9.5
+Jinja2==2.11.3
 kombu==4.0.2
 MarkupSafe==0.23
 python-dateutil==2.6.0