diff --git a/vncsdk-1.7.0/tools/vnccloudaddresstool/requirements.txt b/vncsdk-1.7.0/tools/vnccloudaddresstool/requirements.txt
index cf06ad4..ff98f69 100644
--- a/vncsdk-1.7.0/tools/vnccloudaddresstool/requirements.txt
+++ b/vncsdk-1.7.0/tools/vnccloudaddresstool/requirements.txt
@@ -9,4 +9,4 @@ Jinja2==2.10
 MarkupSafe==1.0
 requests==2.18.4
 urllib3==1.22
-Werkzeug==0.14.1
+Werkzeug==0.15.3