diff --git a/requirements.txt b/requirements.txt
index ccd427b..ee65c1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ futures==3.2.0
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 pycparser==2.19
 PyMySQL==0.9.3