diff --git a/requirements.txt b/requirements.txt
index 788f117..6863eee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ idna==2.5
 itsdangerous==0.24
 jieba==0.35
 jieba3k==0.35.1
-Jinja2==2.8
+Jinja2==2.11.3
 lxml==4.2.1
 Mako==1.0.6
 Markdown==2.6.6