diff --git a/buildout/software-profiles/kumo.cfg b/buildout/software-profiles/kumo.cfg
index 10fbfe0efb9a14f3b5d5b915b227f154bfdcd18b..7161dca9469217c78e580baa39566e518cbb6c3c 100644
--- a/buildout/software-profiles/kumo.cfg
+++ b/buildout/software-profiles/kumo.cfg
@@ -6,6 +6,7 @@ extends =
   zlib.cfg
 
 parts = kumo
+find-links = http://www.nexedi.org/static/packages/source/
 
 [kumo-hooks-download]
 url = http://www.nexedi.org/static/buildout-hooks/kumo-hooks.py-r41093
diff --git a/buildout/software-profiles/messagepack.cfg b/buildout/software-profiles/messagepack.cfg
index f380cc3a7bbb98d68264a465513c3a1d95e49769..8c8ddea1dc482e6ec378da8fc2485ad5d19f0efc 100644
--- a/buildout/software-profiles/messagepack.cfg
+++ b/buildout/software-profiles/messagepack.cfg
@@ -1,5 +1,6 @@
 [buildout]
 parts = messagepack
+find-links = http://www.nexedi.org/static/packages/source/
 
 [messagepack]
 recipe = erp5.recipe.cmmiforcei686