diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index 3f5cd24fc..4de8fe6a3 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -73,7 +73,7 @@ namespace pocketmine {
 	use raklib\RakLib;
 
 	const VERSION = "Alpha_1.4dev";
-	const API_VERSION = "1.3.1";
+	const API_VERSION = "1.4.0";
 	const CODENAME = "絶好(Zekkou)ケーキ(Cake)";
 	const MINECRAFT_VERSION = "v0.9.5 alpha";