diff --git a/.github/workflows/draft-release.yml b/.github/workflows/draft-release.yml
index 6c3caf748..a2718e414 100644
--- a/.github/workflows/draft-release.yml
+++ b/.github/workflows/draft-release.yml
@@ -35,17 +35,18 @@ jobs:
       - name: Install Composer dependencies
         run: composer install --no-dev --prefer-dist --no-interaction --ignore-platform-reqs
 
-      - name: Patch VersionInfo
+      - name: Calculate build number
+        id: build-number
         run: |
           BUILD_NUMBER=2000+$GITHUB_RUN_NUMBER #to stay above jenkins
           echo "Build number: $BUILD_NUMBER"
-          sed -i "s/const BUILD_NUMBER = 0/const BUILD_NUMBER = ${BUILD_NUMBER}/" src/VersionInfo.php
+          echo ::set-output name=BUILD_NUMBER::$BUILD_NUMBER
 
       - name: Minify BedrockData JSON files
         run: php vendor/pocketmine/bedrock-data/.minify_json.php
 
       - name: Build PocketMine-MP.phar
-        run: php -dphar.readonly=0 build/server-phar.php --git ${{ github.sha }}
+        run: php -dphar.readonly=0 build/server-phar.php --git ${{ github.sha }} --build ${{ steps.build-number.outputs.BUILD_NUMBER }}
 
       - name: Get PocketMine-MP release version
         id: get-pm-version
@@ -56,7 +57,7 @@ jobs:
           echo ::set-output name=PM_VERSION_MD::$(php -r 'require "vendor/autoload.php"; echo str_replace(".", "", \pocketmine\VersionInfo::BASE_VERSION);')
 
       - name: Generate build info
-        run: php build/generate-build-info-json.php ${{ github.sha }} ${{ steps.get-pm-version.outputs.PM_VERSION }} ${{ github.repository }} > build_info.json
+        run: php build/generate-build-info-json.php ${{ github.sha }} ${{ steps.get-pm-version.outputs.PM_VERSION }} ${{ github.repository }} ${{ steps.build-number.outputs.BUILD_NUMBER }} > build_info.json
 
       - name: Upload release artifacts
         uses: actions/upload-artifact@v2
diff --git a/build/generate-build-info-json.php b/build/generate-build-info-json.php
index 6428ce239..00ca2adc8 100644
--- a/build/generate-build-info-json.php
+++ b/build/generate-build-info-json.php
@@ -23,15 +23,15 @@ declare(strict_types=1);
 
 require dirname(__DIR__) . '/vendor/autoload.php';
 
-if(count($argv) !== 4){
-	fwrite(STDERR, "required args: <git hash> <tag name> <github repo (owner/name)>");
+if(count($argv) !== 5){
+	fwrite(STDERR, "required args: <git hash> <tag name> <github repo (owner/name)> <build number>");
 	exit(1);
 }
 
 echo json_encode([
 	"php_version" => sprintf("%d.%d", PHP_MAJOR_VERSION, PHP_MINOR_VERSION),
 	"base_version" => \pocketmine\VersionInfo::BASE_VERSION,
-	"build" => \pocketmine\VersionInfo::BUILD_NUMBER,
+	"build" => (int) $argv[4],
 	"is_dev" => \pocketmine\VersionInfo::IS_DEVELOPMENT_BUILD,
 	"channel" => \pocketmine\VersionInfo::BUILD_CHANNEL,
 	"git_commit" => $argv[1],
diff --git a/build/server-phar.php b/build/server-phar.php
index cb3bc0888..2f5aa1050 100644
--- a/build/server-phar.php
+++ b/build/server-phar.php
@@ -134,13 +134,18 @@ function main() : void{
 		exit(1);
 	}
 
-	$opts = getopt("", ["out:", "git:"]);
+	$opts = getopt("", ["out:", "git:", "build:"]);
 	if(isset($opts["git"])){
 		$gitHash = $opts["git"];
 	}else{
 		$gitHash = Git::getRepositoryStatePretty(dirname(__DIR__));
 		echo "Git hash detected as $gitHash" . PHP_EOL;
 	}
+	if(isset($opts["build"])){
+		$build = (int) $opts["build"];
+	}else{
+		$build = 0;
+	}
 	foreach(buildPhar(
 		$opts["out"] ?? getcwd() . DIRECTORY_SEPARATOR . "PocketMine-MP.phar",
 		dirname(__DIR__) . DIRECTORY_SEPARATOR,
@@ -150,7 +155,8 @@ function main() : void{
 			'vendor'
 		],
 		[
-			'git' => $gitHash
+			'git' => $gitHash,
+			'build' => $build
 		],
 		<<<'STUB'
 <?php
diff --git a/src/VersionInfo.php b/src/VersionInfo.php
index b44c7856e..fc0171e8a 100644
--- a/src/VersionInfo.php
+++ b/src/VersionInfo.php
@@ -25,13 +25,14 @@ namespace pocketmine;
 
 use pocketmine\utils\Git;
 use pocketmine\utils\VersionString;
+use function is_array;
+use function is_int;
 use function str_repeat;
 
 final class VersionInfo{
 	public const NAME = "PocketMine-MP";
 	public const BASE_VERSION = "4.0.0-BETA14";
 	public const IS_DEVELOPMENT_BUILD = true;
-	public const BUILD_NUMBER = 0;
 	public const BUILD_CHANNEL = "beta";
 
 	private function __construct(){
@@ -61,12 +62,29 @@ final class VersionInfo{
 		return self::$gitHash;
 	}
 
+	private static ?int $buildNumber = null;
+
+	public static function BUILD_NUMBER() : int{
+		if(self::$buildNumber === null){
+			self::$buildNumber = 0;
+			if(\Phar::running(true) !== ""){
+				$phar = new \Phar(\Phar::running(false));
+				$meta = $phar->getMetadata();
+				if(is_array($meta) && isset($meta["build"]) && is_int($meta["build"])){
+					self::$buildNumber = $meta["build"];
+				}
+			}
+		}
+
+		return self::$buildNumber;
+	}
+
 	/** @var VersionString|null */
 	private static $fullVersion = null;
 
 	public static function VERSION() : VersionString{
 		if(self::$fullVersion === null){
-			self::$fullVersion = new VersionString(self::BASE_VERSION, self::IS_DEVELOPMENT_BUILD, self::BUILD_NUMBER);
+			self::$fullVersion = new VersionString(self::BASE_VERSION, self::IS_DEVELOPMENT_BUILD, self::BUILD_NUMBER());
 		}
 		return self::$fullVersion;
 	}
diff --git a/src/crash/CrashDump.php b/src/crash/CrashDump.php
index 8407e70ce..f5a3213f1 100644
--- a/src/crash/CrashDump.php
+++ b/src/crash/CrashDump.php
@@ -279,7 +279,7 @@ class CrashDump{
 		$this->data->general = new CrashDumpDataGeneral(
 			name: $this->server->getName(),
 			base_version: VersionInfo::BASE_VERSION,
-			build: VersionInfo::BUILD_NUMBER,
+			build: VersionInfo::BUILD_NUMBER(),
 			is_dev: VersionInfo::IS_DEVELOPMENT_BUILD,
 			protocol: ProtocolInfo::CURRENT_PROTOCOL,
 			git: VersionInfo::GIT_HASH(),