diff --git a/tasks/bank/flask/requirements.txt b/tasks/bank/flask/requirements.txt
index fc4ac2f..4a98a6b 100644
--- a/tasks/bank/flask/requirements.txt
+++ b/tasks/bank/flask/requirements.txt
@@ -1,7 +1,7 @@
 click==6.7
 Flask==0.12.2
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 numpy==1.14.0
 scikit-learn==0.19.1