diff --git a/requirements.txt b/requirements.txt
index 3609528..126a465 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ click==6.7
 Flask==1.0
 idna==2.5
 itsdangerous==0.24
-Jinja2==2.9.4
+Jinja2==2.11.3
 MarkupSafe==0.23
 numpy==1.12.1
 peewee==2.8.5