diff --git a/requirements.txt b/requirements.txt
index 758fe5f..3196a96 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ gunicorn==19.6.0
 h5py==2.7.1
 heroku==0.1.4
 
-Jinja2==2.9.6
+Jinja2==2.11.3
 
 npm==0.1.1
 numpy==1.14.0