diff --git a/requirements.txt b/requirements.txt
index 54fbbcec..816c45fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,5 @@
 -e git://github.com/odoo-brazil/pyxmlsec.git@master#egg=pyxmlsec
 -e git://github.com/odoo-brazil/geraldo.git@master#egg=geraldo
-
+lxml
+http://xmlsoft.org/sources/python/libxml2-python-2.6.21.tar.gz
+pytz