diff --git a/requirements.txt b/requirements.txt
index 4b7dd76..afa5ca8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask==1.0.2
 Flask-RESTful==0.3.7
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 pytz==2018.9
 requests==2.21.0