diff --git a/requirements.txt b/requirements.txt
index d47bd6c..11b24f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Flask-WTF==0.14.2
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 lxml==4.4.1
 MarkupSafe==1.1.1
 numpy==1.17.3