diff --git a/composer.json b/composer.json
index c74ab25..eaad233 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
 	"license": "MIT",
 	"require": {
 		"php": "^7.4|^8.0",
-		"adt/background-queue": "^4.22",
+		"adt/background-queue": "^5.0",
 		"nette/di": "^2.4|^3.0",
 		"nette/schema": "^1.2"
 	},
diff --git a/src/DI/BackgroundQueueExtension.php b/src/DI/BackgroundQueueExtension.php
index 740eb96..400be52 100644
--- a/src/DI/BackgroundQueueExtension.php
+++ b/src/DI/BackgroundQueueExtension.php
@@ -37,7 +37,7 @@ public function getConfigSchema(): Schema
 			'queue' => Expect::string()->required(),
 			'bulkSize' => Expect::int(1)->min(1),
 			'priorities' => Expect::arrayOf(Expect::int()->min(1)->max(999))->default([1])->mergeDefaults(false),
-			'connection' => Expect::anyOf('string', Expect::arrayOf('int|string|object', 'string')),
+			'connection' => Expect::string(),
 			'tableName' => Expect::string('background_job'),
 			'producer' => Expect::string()->nullable(),
 			'waitingJobExpiration' => Expect::int(1000),