diff --git a/src/Robo.php b/src/Robo.php
index e172fb52..9db38156 100644
--- a/src/Robo.php
+++ b/src/Robo.php
@@ -26,7 +26,7 @@
 class Robo
 {
     const APPLICATION_NAME = 'Robo';
-    private const VERSION = '4.0.4';
+    private const VERSION = '4.0.5-dev';
 
     /**
      * The currently active container object, or NULL if not initialized yet.