diff --git a/requirements.txt b/requirements.txt
index 0dd74cd..af63f8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ incremental==17.5.0
 ipaddress==1.0.18
 itsdangerous==0.24
 jieba==0.39
-Jinja2==2.10
+Jinja2==2.11.3
 lxml==4.1.1
 Mako==1.0.7
 MarkupSafe==1.0