diff --git a/requirements.txt b/requirements.txt
index e0a2e65..aae3472 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ greenlet==0.4.15
 gunicorn==19.9.0
 idna==2.7
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 monotonic==1.5
 requests==2.22.0