diff --git a/odoo_requirements.txt b/odoo_requirements.txt
index b91509a..ece7a0a 100644
--- a/odoo_requirements.txt
+++ b/odoo_requirements.txt
@@ -39,5 +39,5 @@ requests==2.10.0
 suds-jurko==0.6
 vatnumber==1.2
 vobject==0.9.2
-Werkzeug==0.11.15
+Werkzeug==0.15.5
 xlwt==1.1.2