diff --git a/composer.lock b/composer.lock
index 5746b063..419557f1 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2847,11 +2847,11 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "2.1.34",
+            "version": "2.1.35",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/070ba754a949fcade788e16e8dc5a5935b7cf2ee",
-                "reference": "070ba754a949fcade788e16e8dc5a5935b7cf2ee",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/72f843c7f59d3aac0b7510f5e70913a9b72a8e88",
+                "reference": "72f843c7f59d3aac0b7510f5e70913a9b72a8e88",
                 "shasum": ""
             },
             "require": {
@@ -2896,7 +2896,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2026-01-19T19:52:16+00:00"
+            "time": "2026-01-20T17:33:48+00:00"
         },
         {
             "name": "psr/clock",
diff --git a/src/RuleFilter/ValueObject/RuleMetadata.php b/src/RuleFilter/ValueObject/RuleMetadata.php
index 10d5e361..2446dd48 100644
--- a/src/RuleFilter/ValueObject/RuleMetadata.php
+++ b/src/RuleFilter/ValueObject/RuleMetadata.php
@@ -27,7 +27,7 @@ final class RuleMetadata
     public function __construct(
         private readonly string $ruleClass,
         private readonly string $description,
-        private array $codeSamples,
+        private readonly array $codeSamples,
         private readonly array $sets,
         private readonly string $rectorRuleFilePath,
     ) {