diff --git a/requirements.txt b/requirements.txt
index ca8d0c4..f606235 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ future==0.16.0
 idna==2.6
 itsdangerous==0.24
 jieba3k==0.35.1
-Jinja2==2.10.1
+Jinja2==2.11.3
 kiwisolver==1.0.1
 lxml==4.2.1
 MarkupSafe==1.0