diff --git a/requirements.txt b/requirements.txt
index 5719ccb..8b3cadb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask==1.0.2
 gunicorn==19.9.0
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 Markdown==2.6.11
 MarkupSafe==1.0
 mccabe==0.6.1