diff --git a/pub_sub/python/requirements.txt b/pub_sub/python/requirements.txt
index 06bcc109..23fb7139 100644
--- a/pub_sub/python/requirements.txt
+++ b/pub_sub/python/requirements.txt
@@ -2,7 +2,7 @@ Click==7.0
 Flask==1.1.1
 Flask-Cors==3.0.9
 itsdangerous==1.1.0
-Jinja2==2.10.1
+jinja2>=2.11.3
 MarkupSafe==1.1.1
 six==1.12.0
 Werkzeug==0.15.6