diff --git a/flask-blueprint/requirements.txt b/flask-blueprint/requirements.txt
index 03ae65a..dd4fdc2 100644
--- a/flask-blueprint/requirements.txt
+++ b/flask-blueprint/requirements.txt
@@ -14,7 +14,7 @@ Flask-Security==3.0.0
 Flask-SQLAlchemy==2.4.1
 Flask-WTF==0.14.2
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 marshmallow==3.2.1
 marshmallow-sqlalchemy==0.19.0