diff --git a/API/Bill.php b/API/Bill.php
new file mode 100644
index 0000000..840fe55
--- /dev/null
+++ b/API/Bill.php
@@ -0,0 +1,16 @@
+<?php
+namespace Dfe\Qiwi\API;
+use Df\API\Operation as O;
+use Df\Core\Exception as DFE;
+// 2017-09-03
+/** @method static Bill s() */
+final class Bill extends \Df\API\Facade {
+	/**
+	 * 2017-09-03
+	 * @param string $id
+	 * @param array(string => mixed) $a
+	 * @return O
+	 * @throws DFE
+	 */
+	function put($id, array $a) {return $this->p([$id, $a]);}
+}
\ No newline at end of file
diff --git a/API/Client.php b/API/Client.php
index 142da00..d4314f3 100644
--- a/API/Client.php
+++ b/API/Client.php
@@ -5,6 +5,9 @@
 final class Client extends \Df\API\Client {
 	/**
 	 * 2017-09-03
+	 * [QIWI Wallet] An example of a response to
+	 * «PUT https://api.qiwi.com/api/v2/prv/{prv_id}/bills/{bill_id}»
+	 * https://mage2.pro/t/4447
 	 * @override
 	 * @see \Df\API\Client::_construct()
 	 * @used-by \Df\API\Client::__construct()
@@ -12,11 +15,6 @@ final class Client extends \Df\API\Client {
 	protected function _construct() {
 		parent::_construct();
 		$this->resJson();
-		/**
-		 * [QIWI Wallet] An example of a response to
-		 * «PUT https://api.qiwi.com/api/v2/prv/{prv_id}/bills/{bill_id}»
-		 * https://mage2.pro/t/4447
-		 */
 		$this->addFilterRes(function($v) {return $v['response'];});
 	}
 
diff --git a/composer.json b/composer.json
index 5a5359b..e7d5962 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
 	"name": "mage2pro/qiwi"
-	,"version": "0.0.9"
+	,"version": "0.1.0"
 	,"description": "The «Visa QIWI Wallet» (QIWI Кошелёк) payment extension for Magento 2."
 	,"type": "magento2-module"
 	,"homepage": "https://mage2.pro/c/extensions/qiwi"
@@ -11,7 +11,7 @@
 		"homepage": "https://mage2.pro/users/dmitry_fedyuk",
 		"role": "Developer"
 	}]
-	,"require": {"mage2pro/core": ">=2.11.9"}
+	,"require": {"mage2pro/core": ">=2.11.10"}
 	,"autoload": {"files": ["registration.php"], "psr-4": {"Dfe\\Qiwi\\": ""}}
 	,"keywords": [
 		"API"