diff --git a/requirements.txt b/requirements.txt
index de52ca3..de3b4a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask==1.0.2
 idna==2.6
 itsdangerous==0.24
 jieba==0.39
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 numpy==1.14.3
 pandas==0.23.0