diff --git a/IPPool/requirements.txt b/IPPool/requirements.txt
index 1d57290..8eccddf 100644
--- a/IPPool/requirements.txt
+++ b/IPPool/requirements.txt
@@ -48,5 +48,5 @@ six==1.10.0
 twisted==17.1.0
 urllib3==1.21.1
 w3lib==1.17.0
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 zope.interface==4.4.2