diff --git a/.php-cs-fixer.cache b/.php-cs-fixer.cache
index aa3d397..bd0a9f5 100644
--- a/.php-cs-fixer.cache
+++ b/.php-cs-fixer.cache
@@ -1 +1 @@
-{"php":"8.0.22","version":"3.12.0:v3.12.0#eae11d945e2885d86e1c080eec1bb30a2aa27998","indent":"\t","lineEnding":"\n","rules":{"align_multiline_comment":{"comment_type":"phpdocs_only"},"array_indentation":true,"array_syntax":{"syntax":"short"},"binary_operator_spaces":{"default":"single_space"},"blank_line_after_namespace":true,"blank_line_after_opening_tag":true,"blank_line_before_statement":{"statements":["declare"]},"cast_spaces":{"space":"single"},"concat_space":{"spacing":"one"},"declare_strict_types":true,"elseif":true,"fully_qualified_strict_types":true,"global_namespace_import":{"import_constants":true,"import_functions":true,"import_classes":null},"indentation_type":true,"logical_operators":true,"native_function_invocation":{"scope":"namespaced","include":["@all"]},"new_with_braces":{"named_class":true,"anonymous_class":false},"no_closing_tag":true,"no_empty_phpdoc":true,"no_extra_blank_lines":true,"no_superfluous_phpdoc_tags":{"allow_mixed":true},"no_trailing_whitespace":true,"no_trailing_whitespace_in_comment":true,"no_whitespace_in_blank_line":true,"no_unused_imports":true,"ordered_imports":{"imports_order":["class","function","const"],"sort_algorithm":"alpha"},"phpdoc_line_span":{"property":"single","method":null,"const":null},"phpdoc_trim":true,"phpdoc_trim_consecutive_blank_line_separation":true,"return_type_declaration":{"space_before":"one"},"single_blank_line_at_eof":true,"single_import_per_statement":true,"strict_param":true,"unary_operator_spaces":true},"hashes":{"src\\NhanAZ\\libBedrock\\libBedrock.php":591365733}}
\ No newline at end of file
+{"php":"8.0.22","version":"3.12.0:v3.12.0#eae11d945e2885d86e1c080eec1bb30a2aa27998","indent":"\t","lineEnding":"\n","rules":{"align_multiline_comment":{"comment_type":"phpdocs_only"},"array_indentation":true,"array_syntax":{"syntax":"short"},"binary_operator_spaces":{"default":"single_space"},"blank_line_after_namespace":true,"blank_line_after_opening_tag":true,"blank_line_before_statement":{"statements":["declare"]},"cast_spaces":{"space":"single"},"concat_space":{"spacing":"one"},"declare_strict_types":true,"elseif":true,"fully_qualified_strict_types":true,"global_namespace_import":{"import_constants":true,"import_functions":true,"import_classes":null},"indentation_type":true,"logical_operators":true,"native_function_invocation":{"scope":"namespaced","include":["@all"]},"new_with_braces":{"named_class":true,"anonymous_class":false},"no_closing_tag":true,"no_empty_phpdoc":true,"no_extra_blank_lines":true,"no_superfluous_phpdoc_tags":{"allow_mixed":true},"no_trailing_whitespace":true,"no_trailing_whitespace_in_comment":true,"no_whitespace_in_blank_line":true,"no_unused_imports":true,"ordered_imports":{"imports_order":["class","function","const"],"sort_algorithm":"alpha"},"phpdoc_line_span":{"property":"single","method":null,"const":null},"phpdoc_trim":true,"phpdoc_trim_consecutive_blank_line_separation":true,"return_type_declaration":{"space_before":"one"},"single_blank_line_at_eof":true,"single_import_per_statement":true,"strict_param":true,"unary_operator_spaces":true},"hashes":{"src\\NhanAZ\\libBedrock\\libBedrock.php":3938656178}}
\ No newline at end of file
diff --git a/src/NhanAZ/libBedrock/libBedrock.php b/src/NhanAZ/libBedrock/libBedrock.php
index 1379ce4..4431e46 100644
--- a/src/NhanAZ/libBedrock/libBedrock.php
+++ b/src/NhanAZ/libBedrock/libBedrock.php
@@ -5,11 +5,70 @@
 namespace NhanAZ\libBedrock;
 
 use pocketmine\plugin\PluginBase;
+use pocketmine\scheduler\ClosureTask;
+use pocketmine\utils\Config;
+use function basename;
+use function explode;
+use function rename;
+use function str_replace;
+use function strval;
+use function trim;
+use function version_compare;
 
 class libBedrock {
 
-	public function __construct(
-		private PluginBase $plugin /** @phpstan-ignore-line */
-	) {
+	/**
+	 * Base: https://github.com/ifera-mc/ConfigUpdater
+	 */
+	public static function checkConfigVersion(PluginBase $plugin, Config $config, string $configKey, string $latestVersion, string $updateMessage = "") : bool {
+		if (($config->exists($configKey)) && !version_compare(strval($config->get($configKey)), $latestVersion, "<>")) {
+			return false;
+		}
+
+		$configData = self::getConfigData($config);
+		$configPath = $configData["configPath"];
+		$originalConfig = $configData["configName"];
+		$oldConfig = $configData["oldConfigName"];
+
+		if (trim($updateMessage) === "") {
+			$updateMessage = "Your $originalConfig file is outdated. Your old $originalConfig has been saved as $oldConfig and a new $originalConfig file has been generated. Please update accordingly.";
+		}
+
+		rename($configPath . $originalConfig, $configPath . $oldConfig);
+
+		$plugin->saveDefaultConfig();
+		$plugin->getConfig()->reload();
+
+		$task = new ClosureTask(function () use ($plugin, $updateMessage) : void {
+			$plugin->getLogger()->critical($updateMessage);
+		});
+
+		$plugin->getScheduler()->scheduleDelayedTask($task, 3 * 20);
+
+		return true;
+	}
+
+	/**
+	 * @return array<string, string>
+	 */
+	private static function getConfigData(Config $config) : array {
+		$configPath = $config->getPath();
+		$configData = explode(".", basename($configPath));
+
+		$configName = $configData[0];
+		$configExtension = $configData[1];
+
+		$originalConfigName = $configName . "." . $configExtension;
+		$oldConfigName = $configName . "_old." . $configExtension;
+
+		$configPath = str_replace($originalConfigName, "", $configPath);
+		$pluginPath = str_replace("plugin_data", "plugins", $configPath);
+
+		return [
+			"configPath" => $configPath,
+			"pluginPath" => $pluginPath,
+			"configName" => $originalConfigName,
+			"oldConfigName" => $oldConfigName
+		];
 	}
 }