diff --git a/requirements.txt b/requirements.txt
index e22bd23..8cc97d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ Flask-SQLAlchemy==2.2
 idna==2.5
 itsdangerous==0.24
 jdcal==1.3
-Jinja2==2.9.5
+Jinja2==2.11.3
 jwt==0.5.3
 MarkupSafe==1.0
 mysql-connector==2.1.4