diff --git a/requirements.txt b/requirements.txt
index 7124e55..9fc33ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Flask==0.12
 future==0.16.0
 gunicorn==19.6.0
 itsdangerous==0.24
-Jinja2==2.9.5
+Jinja2==2.11.3
 line-bot-sdk==1.1.0
 MarkupSafe==0.23
 psycopg2==2.6.1