diff --git a/database/factories/ArticleFactory.php b/database/factories/ArticleFactory.php
index 3e15408..57c212c 100644
--- a/database/factories/ArticleFactory.php
+++ b/database/factories/ArticleFactory.php
@@ -20,7 +20,7 @@ public function definition(): array
     {
         return [
             'feed_id' => Feed::factory(),
-            'url' => $this->faker->url(),
+            'url' => $this->faker->unique()->url(),
             'title' => $this->faker->sentence(),
             'description' => $this->faker->paragraph(),
             'content' => $this->faker->paragraphs(3, true),