diff --git a/requirements.txt b/requirements.txt
index d66ca62..1b4fa85 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ gunicorn == 19.8.1
 idna == 2.6
 
 itsdangerous == 0.24
-Jinja2 == 2.10
+Jinja2 == 2.11.3
 lazy - object - proxy == 1.3.1
 MarkupSafe == 1.0
 mccabe == 0.6.1