diff --git a/.github/workflows/php-package-ci.yml b/.github/workflows/php-package-ci.yml
index 4d09b1a5..853a3634 100644
--- a/.github/workflows/php-package-ci.yml
+++ b/.github/workflows/php-package-ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: [ 7.4, 8.0 ]
+        php: [ 7.4, 8.0, 8.1 ]
     steps:
       - uses: actions/checkout@v2
       - uses: shivammathur/setup-php@v2
diff --git a/composer.json b/composer.json
index 666d59f5..7e7f9a9b 100644
--- a/composer.json
+++ b/composer.json
@@ -19,14 +19,14 @@
 		"php": "^7.4 | ^8.0",
 		"nette/di": "^3.0",
 		"nette/utils": "^3.0",
-		"php-amqplib/php-amqplib": "~3.0.0"
+		"php-amqplib/php-amqplib": "~3.1.0"
 	},
 	"require-dev": {
 		"kdyby/console": "~2.8",
 		"nette/bootstrap": "~3.0",
 		"latte/latte": "~2.4",
 		"tracy/tracy": "~2.4",
-		"phpstan/phpstan": "^0.12.88",
+		"phpstan/phpstan": "^1.4",
 		"php-coveralls/php-coveralls": "^2.1",
 		"nette/tester": "^2.3.2",
 		"mockery/mockery": "~1.3.0",
diff --git a/src/Kdyby/RabbitMq/Consumer.php b/src/Kdyby/RabbitMq/Consumer.php
index 59578792..9042662a 100644
--- a/src/Kdyby/RabbitMq/Consumer.php
+++ b/src/Kdyby/RabbitMq/Consumer.php
@@ -82,13 +82,13 @@ public function consume(int $msgAmount): void
 		$this->setupConsumer();
 		$this->onStart($this);
 
-		$previousErrorHandler = \set_error_handler(static function ($severity, $message, $file, $line, $context) use (&$previousErrorHandler) {
-			if (!\preg_match('~stream_select\\(\\)~i', $message)) {
+		$previousErrorHandler = \set_error_handler(static function (int $errno, string $errstr, string $errfile, int $errline) use (&$previousErrorHandler) {
+			if (!\preg_match('~stream_select\\(\\)~i', $errstr)) {
 				$args = \func_get_args();
 				return \call_user_func_array($previousErrorHandler, $args);
 			}
 
-			throw new \PhpAmqpLib\Exception\AMQPRuntimeException($message . ' in ' . $file . ':' . $line, (int) $severity);
+			throw new \PhpAmqpLib\Exception\AMQPRuntimeException($errstr . ' in ' . $errfile . ':' . $errline, $errno);
 		});
 
 		try {