diff --git a/requirements.txt b/requirements.txt
index 6410c31..65ceb40 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask==1.0.2
 gunicorn==19.9.0
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 PyJWT==1.6.4
 requests==2.19.1