diff --git a/requirements.txt b/requirements.txt
index 2a57a34..7f8d44d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ Flask-WTF==0.14.2
 gunicorn==20.0.4
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.11.0
+Jinja2==2.11.3
 lazy==1.4
 Markdown==3.1.1
 MarkupSafe==1.1.1