diff --git a/requirements.txt b/requirements.txt
index 3837e60..f910e0f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ flake8==3.7.7
 Flask==1.0.2
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 mccabe==0.6.1
 numpy==1.16.2