diff --git a/requirements.txt b/requirements.txt
index 90dfcad..8f5a495 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ Flask-WTF==0.12
 Flask-Bcrypt==0.7.1
 Flask-Migrate==1.8.0
 alembic==0.9.9
-Jinja2==2.8
+Jinja2==2.11.3
 MarkupSafe==0.23
 Pygments==2.1.3
 SQLAlchemy==1.0.13