diff --git a/requirements.txt b/requirements.txt
index ab9ddc0..27da1ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 Flask==1.0.2
 gunicorn==19.8.1
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 numpy==1.14.3
 pandas==0.23.0