diff --git a/stack/erp5.cfg b/stack/erp5.cfg
index 23c6f4472d4e010ae239144353464d80b7aa9507..fac58b185c295a977e3ee82aae1fb40538394d13 100644
--- a/stack/erp5.cfg
+++ b/stack/erp5.cfg
@@ -9,6 +9,7 @@ find-links =
     http://www.nexedi.org/static/packages/source/slapos.buildout/
     http://dist.repoze.org
     http://www.nexedi.org/static/packages/source/
+    http://www.owlfish.com/software/wsgiutils/download.html
 
 # Separate from site eggs
 allowed-eggs-from-site-packages =
@@ -26,6 +27,7 @@ allow-hosts =
   peak.telecommunity.com
   psutil.googlecode.com
   www.dabeaz.com
+  www.owlfish.com
 
 extends =
 # Exact version of Zope