diff --git a/database/factories/User/UserFactory.php b/database/factories/User/UserFactory.php
index 041aa791f..431dab354 100644
--- a/database/factories/User/UserFactory.php
+++ b/database/factories/User/UserFactory.php
@@ -14,7 +14,7 @@ class UserFactory extends Factory
     public function definition()
     {
         return [
-            'id' => $this->faker->numberBetween(800000, 1900000),
+            'id' => $this->faker->unique()->numberBetween(800000, 1900000),
         ];
     }
 }