diff --git a/src/Application/Sniffs/Keywords/ReservedSniff.php b/src/Application/Sniffs/Keywords/ReservedSniff.php
index eabfc966..2e2e5392 100644
--- a/src/Application/Sniffs/Keywords/ReservedSniff.php
+++ b/src/Application/Sniffs/Keywords/ReservedSniff.php
@@ -28,7 +28,7 @@
 final class ReservedSniff extends SniffAbstract
 {
     // Reserved for future usage in next CompatInfo versions
-    private KeywordBag $softReserved;
+    private KeywordBag $softReserved;   // @phpstan-ignore-line
 
     private function initialize(): void
     {