diff --git a/com/lc/demo/flaskDemo/blog/requirement.txt b/com/lc/demo/flaskDemo/blog/requirement.txt
index 2ed09de..dc0ac80 100644
--- a/com/lc/demo/flaskDemo/blog/requirement.txt
+++ b/com/lc/demo/flaskDemo/blog/requirement.txt
@@ -7,5 +7,5 @@ itsdangerous==0.24
 Jinja2==2.11.3
 MarkupSafe==1.0
 SQLAlchemy==1.1.14
-Werkzeug==0.12.2
+Werkzeug==0.15.5
 WTForms==2.1
diff --git a/com/lc/demo/flaskDemo/blog/requirement_new_version.txt b/com/lc/demo/flaskDemo/blog/requirement_new_version.txt
index bcf4eb2..228918b 100644
--- a/com/lc/demo/flaskDemo/blog/requirement_new_version.txt
+++ b/com/lc/demo/flaskDemo/blog/requirement_new_version.txt
@@ -7,5 +7,5 @@ itsdangerous==0.24
 Jinja2==2.11.3
 MarkupSafe==1.0
 SQLAlchemy==1.2.14
-Werkzeug==0.14.1
+Werkzeug==0.15.5
 WTForms==2.2.1