diff --git a/04_pred_maintainance/requirements.txt b/04_pred_maintainance/requirements.txt
index c92b70ca..55c9067b 100644
--- a/04_pred_maintainance/requirements.txt
+++ b/04_pred_maintainance/requirements.txt
@@ -7,7 +7,7 @@ Flask-OpenID==1.2.1
 Flask-SQLAlchemy==2.0
 Flask-WTF==0.10.2
 Flask-WhooshAlchemy==0.56
-Jinja2==2.7.3
+Jinja2==2.11.3
 MarkupSafe==0.23
 SQLAlchemy==0.9.7
 Tempita==0.5.2