diff --git a/setup.py b/setup.py
index 4f4ffe6e505..c71a40e2faf 100644
--- a/setup.py
+++ b/setup.py
@@ -75,7 +75,7 @@ def py2exe_options():
                     "skip_archive": 1,
                     "optimize": 0, # keep the assert running, because the integrated tests rely on them.
                     "dist_dir": 'dist',
-                    "packages": [ "DAV", "HTMLParser", "PIL", "asynchat", "asyncore", "commands", "dateutil", "decimal", "docutils", "email", "encodings", "imaplib", "jinja2", "lxml", "lxml._elementpath", "lxml.builder", "lxml.etree", "lxml.objectify", "mako", "openerp", "poplib", "pychart", "pydot", "pyparsing", "pytz", "reportlab", "select", "simplejson", "smtplib", "uuid", "vatnumber", "vobject", "xml", "xml.dom", "yaml", ],
+                    "packages": [ "DAV", "HTMLParser", "PIL", "asynchat", "asyncore", "commands", "dateutil", "decimal", "docutils", "email", "encodings", "imaplib", "jinja2", "lxml", "lxml._elementpath", "lxml.builder", "lxml.etree", "lxml.objectify", "mako", "openerp", "poplib", "pychart", "pydot", "pyparsing", "pytz", "reportlab", "select", "simplejson", "smtplib", "uuid", "vatnumber", "vobject", "xml", "xml.dom", "yaml", "slugify", "unidecode"],
                     "excludes" : ["Tkconstants","Tkinter","tcl"],
                 }
             }
@@ -133,6 +133,7 @@ setuptools.setup(
           'python-dateutil < 2',
           'python-ldap', # optional
           'python-openid',
+          'python-slugify', # website dependency
           'pytz',
           'pywebdav',
           'pyyaml',