diff --git a/requirements.txt b/requirements.txt
index aae4539..b5540ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask==1.1.1
 Flask-CLI==0.4.0
 gpiozero==1.5.1
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 paho-mqtt==1.5.0
 Werkzeug==1.0.0