diff --git a/requirements.txt b/requirements.txt
index e4ff1be..531403a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 click==6.7
 Flask==1.0
 itsdangerous==0.24
-Jinja2==2.9.5
+Jinja2==2.11.3
 MarkupSafe==0.23
 Werkzeug==0.15.3