diff --git a/v4/index.php b/v4/index.php
new file mode 100644
index 0000000..f4fdd88
--- /dev/null
+++ b/v4/index.php
@@ -0,0 +1 @@
+<?php header('Location: http://camelia-studio.org/v5/'); ?>
\ No newline at end of file