diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index a2e4e972..ec9709cd 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -38,7 +38,7 @@
     use pocketmine\wizard\SetupWizard;
 
     const NAME = "Altay";
-    const BASE_VERSION = "4.0.0";
+    const BASE_VERSION = "3.0.5";
     const IS_DEVELOPMENT_BUILD = false;
     const BUILD_NUMBER = 0;