diff --git a/.github/workflows/php-test.yaml b/.github/workflows/php-test.yaml
index eaa8b78..834796d 100644
--- a/.github/workflows/php-test.yaml
+++ b/.github/workflows/php-test.yaml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        laravel: [9, 10, 11, 12]
+        laravel: [10, 11, 12]
         php: [8.2, 8.3, 8.4]
 
     steps:
diff --git a/Dockerfile b/Dockerfile
index 9b2211b..255f6e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ USER dev
 
 COPY --chown=dev composer.json ./
 
-ARG LARAVEL=9
+ARG LARAVEL=10
 RUN composer require laravel/framework ^$LARAVEL.0
 
 COPY --chown=dev . .
diff --git a/composer.json b/composer.json
index 350cb24..e303622 100644
--- a/composer.json
+++ b/composer.json
@@ -49,6 +49,11 @@
       "providers": [
         "SynergiTech\\MagicEnums\\MagicEnumsServiceProvider"
       ]
+    },
+    "phpstan": {
+      "includes": [
+        "extension.neon"
+      ]
     }
   },
   "scripts": {
diff --git a/extension.neon b/extension.neon
new file mode 100644
index 0000000..a5bf31f
--- /dev/null
+++ b/extension.neon
@@ -0,0 +1,5 @@
+services:
+	-
+		class: SynergiTech\MagicEnums\PHPStan\MagicEnumConstantExtension
+		tags:
+			- phpstan.constants.alwaysUsedClassConstantsExtension
diff --git a/src/PHPStan/MagicEnumConstantExtension.php b/src/PHPStan/MagicEnumConstantExtension.php
new file mode 100644
index 0000000..0e41fb9
--- /dev/null
+++ b/src/PHPStan/MagicEnumConstantExtension.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace SynergiTech\MagicEnums\PHPStan;
+
+use PHPStan\Reflection\ClassReflection;
+use PHPStan\Reflection\ConstantReflection;
+use PHPStan\Rules\Constants\AlwaysUsedClassConstantsExtension;
+use SynergiTech\MagicEnums\Attributes\AppendConstToMagic;
+use SynergiTech\MagicEnums\Attributes\AppendValueToMagic;
+
+class MagicEnumConstantExtension implements AlwaysUsedClassConstantsExtension
+{
+    public function isAlwaysUsed(ConstantReflection $constant, ClassReflection $classReflection): bool
+    {
+        $attributes = $constant->getAttributes();
+
+        foreach ($attributes as $attribute) {
+            $attributeClass = $attribute->getName();
+            if (
+                $attributeClass === AppendConstToMagic::class ||
+                $attributeClass === AppendValueToMagic::class
+            ) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}