diff --git a/requirements.txt b/requirements.txt
index be2f1d5..f70e929 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask-SocketIO==3.0.1
 idna==2.7
 itchat==1.3.10
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 kaggle==1.4.6
 MarkupSafe==1.0
 pypng==0.0.18