diff --git a/requirements.txt b/requirements.txt
index 3272566..1bc935c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask==1.0
 Flask-Cors==3.0.3
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 pipreqs==0.4.9
 requests==2.20.0