diff --git a/src/Concerns/MustBeApproved.php b/src/Concerns/MustBeApproved.php
index 21a52d0..183353a 100644
--- a/src/Concerns/MustBeApproved.php
+++ b/src/Concerns/MustBeApproved.php
@@ -58,7 +58,7 @@ protected static function insertApprovalRequest($model)
         if ($noNeedToProceed) {
             return false;
         }
-        return;
+
     }
 
     /**
@@ -127,4 +127,20 @@ public function withoutApproval(): static
 
         return $this;
     }
+
+    /**
+     * Wrapper to access the castAttribute function
+     *
+     * @param $key
+     * @param $value
+     * @return mixed
+     */
+    public function callCastAttribute($key, $value): mixed
+    {
+        if (array_key_exists($key, $this->casts)) {
+            return $this->castAttribute($key, $value);
+        }
+
+        return $value;
+    }
 }
diff --git a/src/Scopes/ApprovalStateScope.php b/src/Scopes/ApprovalStateScope.php
index abb3e7e..15faf35 100644
--- a/src/Scopes/ApprovalStateScope.php
+++ b/src/Scopes/ApprovalStateScope.php
@@ -104,7 +104,15 @@ protected function addApprove(Builder $builder): void
                     $model = $model->find($modelId);
                 }
 
-                $model->forceFill($builder->getModel()->new_data->toArray());
+                $newData = $builder->getModel()->new_data->toArray();
+
+                // make sure we cast all attributes
+                foreach ($newData as $key => $value) {
+                    $newData[$key] = $model->callCastAttribute($key, $value);
+                }
+
+                $model->forceFill($newData);
+
                 $model->withoutApproval()->save();
             }
 
diff --git a/tests/Feature/MustBeApprovedTraitTest.php b/tests/Feature/MustBeApprovedTraitTest.php
index 7d0ca6d..ab71acd 100644
--- a/tests/Feature/MustBeApprovedTraitTest.php
+++ b/tests/Feature/MustBeApprovedTraitTest.php
@@ -5,6 +5,8 @@
 use Cjmellor\Approval\Models\Approval;
 use Cjmellor\Approval\Tests\Models\FakeModel;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 it(description: 'stores the data correctly in the database')
     ->defer(
@@ -166,3 +168,59 @@
         'meta' => 'blue',
     ]);
 });
+
+test(description: 'approve a attribute of the type Array', closure: function () {
+    Schema::create('fake_models_with_array', function (Blueprint $table) {
+        $table->id();
+        $table->string('name')->nullable();
+        $table->string('meta')->nullable();
+
+        $table->json('data')->nullable();
+    });
+
+    $model = new class extends Model
+    {
+        use MustBeApproved;
+
+        protected $table = 'fake_models_with_array';
+
+        protected $guarded = [];
+
+        public $timestamps = false;
+
+        protected $casts = ['data' => 'array'];
+    };
+
+    // create a model
+    $model->create([
+        'name' => 'Neo',
+        'data' => ['foo', 'bar'],
+    ]);
+
+    // check if the data is stored correctly in the approval table
+    $this->assertDatabaseHas(table: Approval::class, data: [
+        'new_data' => json_encode(['name' => 'Neo', 'data' => json_encode(['foo', 'bar'])]),
+        'original_data' => json_encode([]),
+    ]);
+
+    // nothing should be in the 'fake_models_with_array' table
+    $this->assertDatabaseCount('fake_models_with_array', 0);
+
+    // approve the model
+    Approval::first()->approve();
+
+    // after approval, there should be in an entry in the 'fake_models_with_array' table
+    $this->assertDatabaseCount('fake_models_with_array', 1);
+
+    // After Approval, the contents of the database should look like this
+    $this->assertDatabaseHas(table: 'fake_models_with_array', data: [
+        'name' => 'Neo',
+        'data' => json_encode(['foo', 'bar']),
+    ]);
+
+    // double check the model
+    $modelFromDatabase = $model->firstWhere('name', 'Neo');
+
+    expect($modelFromDatabase->data)
+        ->toBe(['foo', 'bar']);
+});