diff --git a/src/Robo.php b/src/Robo.php
index 01e6896b..cd076531 100644
--- a/src/Robo.php
+++ b/src/Robo.php
@@ -26,7 +26,7 @@
 class Robo
 {
     const APPLICATION_NAME = 'Robo';
-    private const VERSION = '4.0.7-dev';
+    private const VERSION = '5.0.0-dev';
 
     /**
      * The currently active container object, or NULL if not initialized yet.