diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index c5d00e0bc3..a4350332f9 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -37,8 +37,8 @@ namespace pocketmine {
 	use pocketmine\wizard\SetupWizard;
 
 	const NAME = "PocketMine-MP";
-	const BASE_VERSION = "3.4.0";
-	const IS_DEVELOPMENT_BUILD = false;
+	const BASE_VERSION = "3.4.1";
+	const IS_DEVELOPMENT_BUILD = true;
 	const BUILD_NUMBER = 0;
 
 	const MIN_PHP_VERSION = "7.2.0";