diff --git a/blog/src/Blog/Post/PostForm.php b/blog/src/Blog/Post/PostForm.php
index 55febf56..6c9b0c08 100644
--- a/blog/src/Blog/Post/PostForm.php
+++ b/blog/src/Blog/Post/PostForm.php
@@ -9,8 +9,12 @@
 
 final class PostForm extends FormModel
 {
+    #[Required]
     private ?string $title = null;
+
+    #[Required]
     private ?string $content = null;
+
     private array $tags = [];
 
     public function getTitle(): string
@@ -32,12 +36,4 @@ public function getTags(): array
     {
         return $this->tags;
     }
-
-    public function getRules(): array
-    {
-        return [
-            'title' => [new Required()],
-            'content' => [new Required()],
-        ];
-    }
 }