diff --git "a/book/20\343\200\201docker&Devops/code/chapter5/labs/flask-skeleton/requirements.txt" "b/book/20\343\200\201docker&Devops/code/chapter5/labs/flask-skeleton/requirements.txt"
old mode 100755
new mode 100644
index 32c7949f..b9f6687e
--- "a/book/20\343\200\201docker&Devops/code/chapter5/labs/flask-skeleton/requirements.txt"
+++ "b/book/20\343\200\201docker&Devops/code/chapter5/labs/flask-skeleton/requirements.txt"
@@ -14,7 +14,7 @@ Flask-Script==2.0.5
 Flask-SQLAlchemy==2.1
 Flask-WTF==0.12
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.11.3
 Mako==1.0.4
 MarkupSafe==0.23
 pycparser==2.14