diff --git a/app/requirements.txt b/app/requirements.txt
index e10d0f4..703b02c 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -13,7 +13,7 @@ Flask-WTF==0.14.2
 idna==2.7
 ItsDangerous==1.1.0
 MarkupSafe==1.1.1
-Jinja2==2.10.1
+Jinja2==2.11.3
 more-itertools==4.3.0
 mysql-connector==2.2.9
 passlib==1.7.1