diff --git a/requirements.txt b/requirements.txt
index fd1d81f..2a9af03 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask==1.0.2
 gunicorn==19.8.1
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.0
 requests==2.20.0
 six==1.11.0