diff --git a/requirements.txt b/requirements.txt
index d288716..ce16bd7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask==1.0.2
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 kiwisolver==1.0.1
 MarkupSafe==1.1.0
 matplotlib==3.0.2