diff --git a/MANIFEST.in b/MANIFEST.in
index d27848ab760..034e06807ff 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -8,6 +8,7 @@ recursive-include openerp *.html
 recursive-include openerp *.jpeg
 recursive-include openerp *.jpg
 recursive-include openerp *.js
+recursive-include openerp *.less
 recursive-include openerp *.md
 recursive-include openerp *.png
 recursive-include openerp *.po