diff --git a/requirements.txt b/requirements.txt
index 6692d41..315a660 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ flake8==3.7.7
 Flask==1.0.2
 gunicorn==19.9.0
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 mccabe==0.6.1
 pycodestyle==2.5.0