diff --git a/INSTALL b/INSTALL
index 6afabc18df..308527dfa3 100644
--- a/INSTALL
+++ b/INSTALL
@@ -10,6 +10,7 @@ Prerequisites
  * trytond_sale (http://www.tryton.org/)
  * trytond_currency (http://www.tryton.org/)
  * trytond_account_invoice (http://www.tryton.org/)
+ * trytond_stock (http://www.tryton.org/)
 
 Installation
 ------------
diff --git a/__tryton__.py b/__tryton__.py
index ec52e83742..013ba87ac8 100644
--- a/__tryton__.py
+++ b/__tryton__.py
@@ -23,6 +23,7 @@
         'sale',
         'currency',
         'account_invoice',
+        'stock',
     ],
     'xml' : [
         'sale.xml',