diff --git a/requirements.txt b/requirements.txt
index 0f3479e..bce69db 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ imageio==2.2.0
 ipaddress==1.0.18
 iso8601==0.1.12
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 jsonschema==2.6.0
 landslide==1.1.3
 leancloud==2.1.5