diff --git a/requirements.txt b/requirements.txt
index c203e75..d8d3964 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask==1.1.2
 Flask-RESTful==0.3.8
 Flask-SQLAlchemy==2.4.1
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 lnurl==0.3.3
 MarkupSafe==1.1.1
 pydantic==1.4