diff --git a/requirements.txt b/requirements.txt
index 1e06a87..5bbfb6c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask-HTTPAuth==3.2.4
 Flask-RESTful==0.3.6
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 pytz==2018.5
 requests==2.19.1