diff --git a/requirements.txt b/requirements.txt
index c8b1777..3df390b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ Flask-User==0.6.19
 Flask-WTF==0.14.2
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 olefile==0.44
 passlib==1.7.1