diff --git a/tools/python_requirements.txt b/tools/python_requirements.txt
index ea96216a5..037e880c9 100644
--- a/tools/python_requirements.txt
+++ b/tools/python_requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.12.1
 Flask-Login==0.4.0
 Flask-WTF==0.14.2
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 WTForms==2.1
 Werkzeug==0.15.3