diff --git a/requirements.txt b/requirements.txt
index db690b2..e8a10a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Flask-SocketIO==4.2.1
 greenlet==0.4.15
 gunicorn==20.0.4
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 mimerender==0.6.0
 monotonic==1.5