diff --git a/composer.lock b/composer.lock
index fc9bda9..479ac80 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2625,16 +2625,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.4.2",
+            "version": "1.4.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "1dd8f3e40bf7aa30031a75c65cece99220a161b8"
+                "reference": "8a7761f1c520e0dad6e04d862fdc697445457cfe"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/1dd8f3e40bf7aa30031a75c65cece99220a161b8",
-                "reference": "1dd8f3e40bf7aa30031a75c65cece99220a161b8",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/8a7761f1c520e0dad6e04d862fdc697445457cfe",
+                "reference": "8a7761f1c520e0dad6e04d862fdc697445457cfe",
                 "shasum": ""
             },
             "require": {
@@ -2665,7 +2665,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.4.2"
+                "source": "https://github.com/phpstan/phpstan/tree/1.4.6"
             },
             "funding": [
                 {
@@ -2685,7 +2685,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-01-18T16:09:11+00:00"
+            "time": "2022-02-06T12:56:13+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",
diff --git a/src/Utility/Attribute.php b/src/Utility/Attribute.php
index 80377d6..1e5ea22 100644
--- a/src/Utility/Attribute.php
+++ b/src/Utility/Attribute.php
@@ -25,6 +25,7 @@ final class Attribute
      */
     final public static function stack(string $attributeClassName, int $parents = 1)
     {
+        /** @var array{function: string, line?: int, file?: string, class: class-string, type?: string, args?: array, object?: object} $caller */
         $caller = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS)[$parents + 1];
         $reflection = new \ReflectionMethod($caller['class'], $caller['function']);
         $attributes = $reflection->getAttributes($attributeClassName);