diff --git a/requirements.txt b/requirements.txt
index a07bc82..05c2996 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask-Mail==0.9.1
 Flask-MySQLdb==0.2.0
 Flask-Uploads==0.2.1
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 mysqlclient==1.4.2.post1
 passlib==1.7.1