diff --git a/setup.py b/setup.py
index 93c9ab3..b030f4a 100644
--- a/setup.py
+++ b/setup.py
@@ -45,6 +45,8 @@ packages     = [ 'sleekxmpp',
                  'sleekxmpp/xmlstream/handler',
                  'sleekxmpp/thirdparty',
                  'sleekxmpp/plugins',
+                 'sleekxmpp/plugins/xep_0009',
+                 'sleekxmpp/plugins/xep_0009/stanza',
                  'sleekxmpp/plugins/xep_0030',
                  'sleekxmpp/plugins/xep_0030/stanza'
                  ]