diff --git a/requirements.txt b/requirements.txt
index 6971a6f..dea5c34 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Flask-Session==0.3.1
 Flask-SocketIO==4.2.1
 greenlet==0.4.15
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 Mako==1.1.2
 MarkupSafe==1.1.1
 monotonic==1.5