diff --git a/setup/win32/setup.nsi b/setup/win32/setup.nsi
index 0c9d13daacf..6f2234a3d68 100644
--- a/setup/win32/setup.nsi
+++ b/setup/win32/setup.nsi
@@ -43,7 +43,7 @@ Unicode True
 !define PUBLISHER 'Odoo S.A.'
 
 !ifndef MAJOR_VERSION
-    !define MAJOR_VERSION '14'
+    !define MAJOR_VERSION '15'
 !endif
 
 !ifndef MINOR_VERSION