diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index 13c07e29d..48ec1c6f5 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -81,7 +81,7 @@ namespace pocketmine {
 
 	const NAME = "PocketMine-MP";
 	const VERSION = "1.7dev";
-	const API_VERSION = "3.0.0-ALPHA11";
+	const API_VERSION = "3.0.0-ALPHA12";
 	const CODENAME = "[REDACTED]";
 
 	const MIN_PHP_VERSION = "7.2.0";
diff --git a/tests/plugins/PocketMine-DevTools b/tests/plugins/PocketMine-DevTools
index a897b84de..6fa6a61fc 160000
--- a/tests/plugins/PocketMine-DevTools
+++ b/tests/plugins/PocketMine-DevTools
@@ -1 +1 @@
-Subproject commit a897b84de445069dee898eaed95a9ff708a19383
+Subproject commit 6fa6a61fc0b16c1c77eb197d3a33d9476355b863
diff --git a/tests/plugins/PocketMine-TesterPlugin b/tests/plugins/PocketMine-TesterPlugin
index b41d9836e..5bab7b98c 160000
--- a/tests/plugins/PocketMine-TesterPlugin
+++ b/tests/plugins/PocketMine-TesterPlugin
@@ -1 +1 @@
-Subproject commit b41d9836e4edec015cb92e3a4b42cfdaa566b34b
+Subproject commit 5bab7b98ca43be00315ddbeea7815ab21af00deb