diff --git a/Slim/App.php b/Slim/App.php
index 837f2e9d9..9cf54b466 100644
--- a/Slim/App.php
+++ b/Slim/App.php
@@ -34,7 +34,7 @@ class App extends RouteCollectorProxy implements RequestHandlerInterface
      *
      * @var string
      */
-    public const VERSION = '4.0.0-dev';
+    public const VERSION = '4.0.0-alpha';
 
     /**
      * @var MiddlewareDispatcher