diff --git a/ChineseSegmentation/requirements.txt b/ChineseSegmentation/requirements.txt
index a3c8279..c6f3b91 100644
--- a/ChineseSegmentation/requirements.txt
+++ b/ChineseSegmentation/requirements.txt
@@ -26,7 +26,7 @@ ipython-genutils==0.2.0
 ipywidgets==6.0.0
 jedi==0.10.2
 jieba==0.38
-Jinja2==2.9.6
+Jinja2==2.11.3
 jsonschema==2.6.0
 jupyter==1.0.0
 jupyter-client==5.1.0