diff --git a/requirements.txt b/requirements.txt
index 61a72db..b63c3cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ Flask-WTF==0.14.2
 guess-language-spirit==0.5.3
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 Mako==1.0.11
 MarkupSafe==1.1.1
 PyJWT==1.7.1