diff --git a/build/target-repository/composer.json b/build/target-repository/composer.json
index af6abc9f..4036553f 100644
--- a/build/target-repository/composer.json
+++ b/build/target-repository/composer.json
@@ -5,7 +5,7 @@
     "license": "MIT",
     "require": {
         "php": "^7.4|^8.0",
-        "phpstan/phpstan": "^2.0",
+        "phpstan/phpstan": "^2.1.8",
         "webmozart/assert": "^1.11"
     },
     "autoload": {
diff --git a/composer.json b/composer.json
index 28337644..17e76abe 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
     "license": "MIT",
     "require": {
         "php": "^8.2",
-        "phpstan/phpstan": "^2.0",
+        "phpstan/phpstan": "^2.1.8",
         "webmozart/assert": "^1.11"
     },
     "require-dev": {
diff --git a/src/Matcher/Collector/PublicClassMethodMatcher.php b/src/Matcher/Collector/PublicClassMethodMatcher.php
index 07261a03..e8df300a 100644
--- a/src/Matcher/Collector/PublicClassMethodMatcher.php
+++ b/src/Matcher/Collector/PublicClassMethodMatcher.php
@@ -23,7 +23,7 @@ public function shouldSkipClassReflection(ClassReflection $classReflection): boo
         }
 
         foreach (self::SKIPPED_TYPES as $skippedType) {
-            if ($classReflection->isSubclassOf($skippedType)) {
+            if ($classReflection->is($skippedType)) {
                 return true;
             }
         }