diff --git a/requirements.txt b/requirements.txt
index 5967dc2..7c8bba7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ click==7.1.1
 Flask==1.1.1
 Flask-FontAwesome==0.1.4
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 pyftdi==0.48.3
 pyserial==3.4