diff --git a/template1-dockerfile-flask/requirements.txt b/template1-dockerfile-flask/requirements.txt
index a6d2d3a..becf7bd 100644
--- a/template1-dockerfile-flask/requirements.txt
+++ b/template1-dockerfile-flask/requirements.txt
@@ -1,6 +1,6 @@
 Click==7.0
 Flask==1.1.1
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 Werkzeug==0.16.0