diff --git a/buildout/profiles/versions-2.12.cfg b/buildout/profiles/versions-2.12.cfg
index 7a22824f3319b13e630da889d37ae9663cfdd48b..735fb892359859ac8560bd6538ebc28dc0c1c7a1 100644
--- a/buildout/profiles/versions-2.12.cfg
+++ b/buildout/profiles/versions-2.12.cfg
@@ -17,6 +17,7 @@ erp5.recipe.standaloneinstance >= 0.4
 rdiff-backup = 1.0.5
 pysvn = 1.7.2
 xml-marshaller = 0.9a
+lxml = 2.2.6
 # Use SOAPpy from http://ibid.omnia.za.net/eggs/ instead of
 # http://www.nexedi.org/static/packages/source/ due to SyntaxError on
 # Python 2.6
diff --git a/buildout/profiles/versions.cfg b/buildout/profiles/versions.cfg
index fda41d437ebc2798f99dd029ffb59582ad13d5f7..a9b40002cec77513b778a650412e235f28d62cbb 100644
--- a/buildout/profiles/versions.cfg
+++ b/buildout/profiles/versions.cfg
@@ -13,3 +13,4 @@ xml-marshaller = 0.9a
 rdiff-backup = 1.0.5
 erp5_products_revision =
 erp5_bt5_revision = ${:erp5_products_revision}
+lxml = 2.2.6