diff --git a/requirements.txt b/requirements.txt
index 0259566..48bb44c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ gevent==1.4.0
 greenlet==0.4.15
 gunicorn==20.0.4
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 prometheus-client==0.7.1
 Werkzeug==1.0.0