diff --git a/database/factories/MediaFactory.php b/database/factories/MediaFactory.php
index 3994ca3..68c945d 100644
--- a/database/factories/MediaFactory.php
+++ b/database/factories/MediaFactory.php
@@ -3,7 +3,6 @@
 namespace Finller\LaravelMedia\Database\Factories;
 
 use Finller\LaravelMedia\Casts\GeneratedConversion;
-use Finller\LaravelMedia\Enums\GeneratedConversionState;
 use Finller\LaravelMedia\Enums\MediaType;
 use Finller\LaravelMedia\Media;
 use Illuminate\Database\Eloquent\Factories\Factory;
@@ -28,7 +27,7 @@ public function definition()
     public static function generatedConversion()
     {
         return new GeneratedConversion(
-            state: GeneratedConversionState::Success,
+            state: 'success',
             type: MediaType::Image,
             file_name: 'poster.png',
             name: 'poster',
@@ -36,7 +35,7 @@ public static function generatedConversion()
             disk: config('media.disk'),
             conversions: collect([
                 '480p' => new GeneratedConversion(
-                    state: GeneratedConversionState::Success,
+                    state: 'success',
                     type: MediaType::Image,
                     file_name: 'poster-480p.png',
                     name: 'poster-480p',
diff --git a/src/Casts/GeneratedConversion.php b/src/Casts/GeneratedConversion.php
index 7fe6e9e..a7c33bf 100644
--- a/src/Casts/GeneratedConversion.php
+++ b/src/Casts/GeneratedConversion.php
@@ -2,7 +2,6 @@
 
 namespace Finller\LaravelMedia\Casts;
 
-use Finller\LaravelMedia\Enums\GeneratedConversionState;
 use Finller\LaravelMedia\Enums\MediaType;
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Support\Arr;
@@ -26,7 +25,7 @@ public function __construct(
         public ?int $width = null,
         public ?float $aspect_ratio = null,
         public ?string $average_color = null,
-        public GeneratedConversionState $state = GeneratedConversionState::Pending,
+        public ?string $state = null,
         public Collection $conversions = new Collection()
     ) {
     }
@@ -36,7 +35,7 @@ public static function make(array $attributes): self
         return new self(
             file_name: Arr::get($attributes, 'file_name'),
             name: Arr::get($attributes, 'name'),
-            state: GeneratedConversionState::from(Arr::get($attributes, 'state')),
+            state: Arr::get($attributes, 'state'),
             type: ($type = Arr::get($attributes, 'type')) ? MediaType::from($type) : MediaType::Other,
             disk: Arr::get($attributes, 'disk'),
             path: Arr::get($attributes, 'path'),
diff --git a/src/Enums/GeneratedConversionState.php b/src/Enums/GeneratedConversionState.php
deleted file mode 100644
index a39b480..0000000
--- a/src/Enums/GeneratedConversionState.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-
-namespace Finller\LaravelMedia\Enums;
-
-enum GeneratedConversionState: string
-{
-    case Pending = 'pending';
-    case Success = 'success';
-    case Failed = 'failed';
-}
diff --git a/src/Media.php b/src/Media.php
index 10555f6..26c2e0b 100644
--- a/src/Media.php
+++ b/src/Media.php
@@ -4,7 +4,6 @@
 
 use Finller\LaravelMedia\Casts\GeneratedConversion;
 use Finller\LaravelMedia\Casts\GeneratedConversions;
-use Finller\LaravelMedia\Enums\GeneratedConversionState;
 use Finller\LaravelMedia\Enums\MediaType;
 use Finller\LaravelMedia\Helpers\File;
 use Finller\LaravelMedia\Traits\HasUuid;
@@ -208,7 +207,7 @@ public function storeConversion(
             path: ($basePath ?? $this->generateBasePath($conversion)).$file_name,
             mime_type: $mime_type,
             type: $type,
-            state: GeneratedConversionState::Success,
+            state: 'success',
             disk: $this->disk,
             height: $dimension?->getHeight(),
             width: $dimension->getWidth(),
diff --git a/tests/Feature/MediaTest.php b/tests/Feature/MediaTest.php
index 3fb8291..2ea0b1a 100644
--- a/tests/Feature/MediaTest.php
+++ b/tests/Feature/MediaTest.php
@@ -3,13 +3,12 @@
 use FFMpeg\Coordinate\Dimension;
 use Finller\LaravelMedia\Casts\GeneratedConversion;
 use Finller\LaravelMedia\Database\Factories\MediaFactory;
-use Finller\LaravelMedia\Enums\GeneratedConversionState;
 use Finller\LaravelMedia\Enums\MediaType;
 use Finller\LaravelMedia\Media;
 use Illuminate\Http\UploadedFile;
 use Illuminate\Support\Facades\Storage;
 
-it('retrieve the correct generated conversion key', function () {
+it('retrieve the generated conversion key', function () {
     /** @var Media $media */
     $media = MediaFactory::new()->make();
 
@@ -18,7 +17,7 @@
     expect($media->getConversionKey('poster.square.480p'))->toBe('poster.conversions.square.conversions.480p');
 });
 
-it('retrieve the correct generated conversion', function () {
+it('retrieve the generated conversion', function () {
     /** @var Media $media */
     $media = MediaFactory::new()->make();
 
@@ -35,7 +34,7 @@
     expect($media->getGeneratedConversion('poster.480p.foo'))->toBe(null);
 });
 
-it('retrieve the correct generated conversion path', function () {
+it('retrieve the generated conversion path', function () {
     /** @var Media $media */
     $media = MediaFactory::new()->make();
 
@@ -47,7 +46,7 @@
     expect($media->getPath('poster.480p'))->toBe('/poster/conversions/480p/poster-480p.png');
 });
 
-it('add the correct generated conversion', function () {
+it('add the generated conversion', function () {
 
     /** @var Media $media */
     $media = MediaFactory::new()->make();
@@ -59,7 +58,7 @@
     $media->addGeneratedConversion('optimized', new GeneratedConversion(
         file_name: 'optimized.png',
         name: 'optimized',
-        state: GeneratedConversionState::Pending,
+        state: 'pending',
         path: '/optimized/optimized.png',
         type: MediaType::Image,
         disk: config('media.disk')
@@ -68,7 +67,7 @@
     $media->addGeneratedConversion('poster-optimized', new GeneratedConversion(
         file_name: 'poster-optimized.png',
         name: 'poster-optimized',
-        state: GeneratedConversionState::Pending,
+        state: 'pending',
         path: 'poster/conversions/optimized/poster-optimized.png',
         type: MediaType::Image,
         disk: config('media.disk')
@@ -78,6 +77,17 @@
     expect($media->hasGeneratedConversion('poster.poster-optimized'))->toBe(true);
 });
 
+it('update a conversion', function () {
+    /** @var Media $media */
+    $media = MediaFactory::new()->make();
+
+    $media->generated_conversions = collect([
+        'poster' => MediaFactory::generatedConversion(),
+    ]);
+
+    expect($media->getGeneratedConversion('poster')?->state)->tobe('success');
+});
+
 it('store an uploaded image', function () {
     /** @var Media $media */
     $media = MediaFactory::new()->make();