diff --git a/requirements.txt b/requirements.txt
index b871b12..fc6156e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask-WTF==0.14.2
 humanize==0.5.1
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 requests==2.22.0
 soupsieve==1.9.1