diff --git a/requirements.txt b/requirements.txt
index b3dfe81..a47c29f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Flask-SSLify==0.1.5
 Flask-WTF==0.14.2
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 Mako==1.0.9
 MarkupSafe==1.1.1
 PyMySQL==0.9.3