diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 83ff15d1..b1fa0b23 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: ['ubuntu-latest']
-        php-version: ['7.4', '8.0', '8.1', '8.2']
+        php-version: ['7.4', '8.0', '8.1', '8.2', '8.3']
         phpunit-version: ['latest']
         transport: ['', 'PhpHttp']
 
diff --git a/src/Manticoresearch/Index.php b/src/Manticoresearch/Index.php
index 1abdddfe..8067c4d5 100755
--- a/src/Manticoresearch/Index.php
+++ b/src/Manticoresearch/Index.php
@@ -59,7 +59,7 @@ public function getDocumentByIds($ids) {
 		// Deduplicate and order the list
 		static::checkIfList($ids);
 
-		array_walk($ids, [static::class, 'checkDocumentId']);
+		array_walk($ids, 'static::checkDocumentId');
 		$params = [
 			'body' => [
 				'index' => $this->index,