diff --git a/clients/pythonweb/provgraph_web/requirements.txt b/clients/pythonweb/provgraph_web/requirements.txt
index 4fd4aa82..abc77b8e 100644
--- a/clients/pythonweb/provgraph_web/requirements.txt
+++ b/clients/pythonweb/provgraph_web/requirements.txt
@@ -5,7 +5,7 @@ Flask-Assets==0.12
 Flask-Script==2.0.5
 Flask-SQLAlchemy==2.1
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.11.3
 Markdown==2.6.7
 MarkupSafe==0.23
 six==1.10.0