diff --git a/serverfiles/requirements.txt b/serverfiles/requirements.txt
index 5a4cefe..daf6d53 100644
--- a/serverfiles/requirements.txt
+++ b/serverfiles/requirements.txt
@@ -6,7 +6,7 @@ flask-cors==3.0.7
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 numpy==1.15.4
 pandas==0.23.4