diff --git a/requirements.txt b/requirements.txt
index d165e89..2742599 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask-DebugToolbar==0.10.1
 flask-mongoengine==0.9.5
 Flask-WTF==0.14.2
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 mongoengine==0.18.2
 mypy-extensions==0.4.3