diff --git a/requirements.txt b/requirements.txt
index 5170a25..42ab7c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask==1.0.2
 gunicorn==19.8.1
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 pycparser==2.18
 pyOpenSSL==18.0.0