diff --git a/docs-assets/app/app/Models/Post.php b/docs-assets/app/app/Models/Post.php
index 52d00dbe7d..2ad76e2658 100644
--- a/docs-assets/app/app/Models/Post.php
+++ b/docs-assets/app/app/Models/Post.php
@@ -10,9 +10,15 @@ class Post extends Model
 {
     use HasFactory;
 
-    protected $casts = [
-        'is_featured' => 'boolean',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'is_featured' => 'boolean',
+        ];
+    }
 
     public function author(): BelongsTo
     {
diff --git a/docs-assets/app/app/Models/User.php b/docs-assets/app/app/Models/User.php
index e1d34a33bb..e90503fe11 100644
--- a/docs-assets/app/app/Models/User.php
+++ b/docs-assets/app/app/Models/User.php
@@ -37,14 +37,15 @@ class User extends Authenticatable implements FilamentUser
     ];
 
     /**
-     * The attributes that should be cast.
-     *
-     * @var array<string, string>
+     * @return array<string, string>
      */
-    protected $casts = [
-        'colleagues' => 'array',
-        'email_verified_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'colleagues' => 'array',
+            'email_verified_at' => 'datetime',
+        ];
+    }
 
     public function canAccessPanel(Panel $panel): bool
     {
diff --git a/docs/07-users/02-multi-factor-authentication.md b/docs/07-users/02-multi-factor-authentication.md
index 3f57741386..0986e05227 100644
--- a/docs/07-users/02-multi-factor-authentication.md
+++ b/docs/07-users/02-multi-factor-authentication.md
@@ -60,12 +60,15 @@ class User extends Authenticatable implements FilamentUser, MustVerifyEmail
     ];
 
     /**
-     * @var array<string, string>
+     * @return array<string, string>
      */
-    protected $casts = [
-        // ...
-        'app_authentication_secret' => 'encrypted',
-    ];
+    protected function casts(): array
+    {
+        return [
+            // ...
+            'app_authentication_secret' => 'encrypted',
+        ];
+    }
     
     // ...
 }
@@ -165,12 +168,15 @@ class User extends Authenticatable implements FilamentUser, HasAppAuthentication
     ];
 
     /**
-     * @var array<string, string>
+     * @return array<string, string>
      */
-    protected $casts = [
-        // ...
-        'app_authentication_recovery_codes' => 'encrypted:array',
-    ];
+    protected function casts(): array
+    {
+        return [
+            // ...
+            'app_authentication_recovery_codes' => 'encrypted:array',
+        ];
+    }
     
     // ...
 }
@@ -337,14 +343,16 @@ use Illuminate\Foundation\Auth\User as Authenticatable;
 
 class User extends Authenticatable implements FilamentUser, MustVerifyEmail
 {
-    // ...
     /**
-     * @var array<string, string>
+     * @return array<string, string>
      */
-    protected $casts = [
-        // ...
-        'has_email_authentication' => 'boolean',
-    ];
+    protected function casts(): array
+    {
+        return [
+            // ...
+            'has_email_authentication' => 'boolean',
+        ];
+    }
     
     // ...
 }
diff --git a/packages/actions/src/Exports/Models/Export.php b/packages/actions/src/Exports/Models/Export.php
index e3ce96271b..445d12fba2 100644
--- a/packages/actions/src/Exports/Models/Export.php
+++ b/packages/actions/src/Exports/Models/Export.php
@@ -27,12 +27,18 @@ class Export extends Model
 {
     use Prunable;
 
-    protected $casts = [
-        'completed_at' => 'timestamp',
-        'processed_rows' => 'integer',
-        'total_rows' => 'integer',
-        'successful_rows' => 'integer',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'completed_at' => 'timestamp',
+            'processed_rows' => 'integer',
+            'total_rows' => 'integer',
+            'successful_rows' => 'integer',
+        ];
+    }
 
     protected $guarded = [];
 
diff --git a/packages/actions/src/Imports/Models/FailedImportRow.php b/packages/actions/src/Imports/Models/FailedImportRow.php
index 998a3fcb7b..73716c600e 100644
--- a/packages/actions/src/Imports/Models/FailedImportRow.php
+++ b/packages/actions/src/Imports/Models/FailedImportRow.php
@@ -16,9 +16,15 @@ class FailedImportRow extends Model
 {
     use Prunable;
 
-    protected $casts = [
-        'data' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'data' => 'array',
+        ];
+    }
 
     protected $guarded = [];
 
diff --git a/packages/actions/src/Imports/Models/Import.php b/packages/actions/src/Imports/Models/Import.php
index 14da67f7ff..3a4992ebb8 100644
--- a/packages/actions/src/Imports/Models/Import.php
+++ b/packages/actions/src/Imports/Models/Import.php
@@ -28,12 +28,18 @@ class Import extends Model
 {
     use Prunable;
 
-    protected $casts = [
-        'completed_at' => 'timestamp',
-        'processed_rows' => 'integer',
-        'total_rows' => 'integer',
-        'successful_rows' => 'integer',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'completed_at' => 'timestamp',
+            'processed_rows' => 'integer',
+            'total_rows' => 'integer',
+            'successful_rows' => 'integer',
+        ];
+    }
 
     protected $guarded = [];
 
diff --git a/packages/forms/docs/03-select.md b/packages/forms/docs/03-select.md
index d8509691da..91b3d8cfb5 100644
--- a/packages/forms/docs/03-select.md
+++ b/packages/forms/docs/03-select.md
@@ -219,9 +219,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class App extends Model
 {
-    protected $casts = [
-        'technologies' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'technologies' => 'array',
+        ];
+    }
 
     // ...
 }
diff --git a/packages/forms/docs/04-checkbox.md b/packages/forms/docs/04-checkbox.md
index 362e49727d..186dce1be1 100644
--- a/packages/forms/docs/04-checkbox.md
+++ b/packages/forms/docs/04-checkbox.md
@@ -23,9 +23,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class User extends Model
 {
-    protected $casts = [
-        'is_admin' => 'boolean',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'is_admin' => 'boolean',
+        ];
+    }
 
     // ...
 }
diff --git a/packages/forms/docs/05-toggle.md b/packages/forms/docs/05-toggle.md
index 76db27c27d..902091b795 100644
--- a/packages/forms/docs/05-toggle.md
+++ b/packages/forms/docs/05-toggle.md
@@ -23,9 +23,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class User extends Model
 {
-    protected $casts = [
-        'is_admin' => 'boolean',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'is_admin' => 'boolean',
+        ];
+    }
 
     // ...
 }
diff --git a/packages/forms/docs/06-checkbox-list.md b/packages/forms/docs/06-checkbox-list.md
index 0deae5e71e..9a69220faa 100644
--- a/packages/forms/docs/06-checkbox-list.md
+++ b/packages/forms/docs/06-checkbox-list.md
@@ -32,9 +32,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class App extends Model
 {
-    protected $casts = [
-        'technologies' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'technologies' => 'array',
+        ];
+    }
 
     // ...
 }
diff --git a/packages/forms/docs/09-file-upload.md b/packages/forms/docs/09-file-upload.md
index 974a03ea54..6eef913603 100644
--- a/packages/forms/docs/09-file-upload.md
+++ b/packages/forms/docs/09-file-upload.md
@@ -75,9 +75,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class Message extends Model
 {
-    protected $casts = [
-        'attachments' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    { 
+        return [
+            'attachments' => 'array',
+        ];
+    }
 
     // ...
 }
diff --git a/packages/forms/docs/10-rich-editor.md b/packages/forms/docs/10-rich-editor.md
index 64ce0f5bad..c0aa409f58 100644
--- a/packages/forms/docs/10-rich-editor.md
+++ b/packages/forms/docs/10-rich-editor.md
@@ -37,9 +37,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class Post extends Model
 {
-    protected $casts = [
-        'content' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'content' => 'array',
+        ];
+    }
 
     // ...
 }
diff --git a/packages/forms/docs/14-tags-input.md b/packages/forms/docs/14-tags-input.md
index 4cdfd827f1..6d015ef66b 100644
--- a/packages/forms/docs/14-tags-input.md
+++ b/packages/forms/docs/14-tags-input.md
@@ -26,9 +26,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class Post extends Model
 {
-    protected $casts = [
-        'tags' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'tags' => 'array',
+        ];
+    }
 
     // ...
 }
diff --git a/packages/forms/docs/16-key-value.md b/packages/forms/docs/16-key-value.md
index 2edfc7ec96..1e52a6baee 100644
--- a/packages/forms/docs/16-key-value.md
+++ b/packages/forms/docs/16-key-value.md
@@ -23,9 +23,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class Post extends Model
 {
-    protected $casts = [
-        'meta' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    { 
+        return [
+            'meta' => 'array',
+        ];
+    }
 
     // ...
 }
diff --git a/packages/forms/docs/18-toggle-buttons.md b/packages/forms/docs/18-toggle-buttons.md
index 978c127c6d..c1718e1f14 100644
--- a/packages/forms/docs/18-toggle-buttons.md
+++ b/packages/forms/docs/18-toggle-buttons.md
@@ -196,9 +196,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class App extends Model
 {
-    protected $casts = [
-        'technologies' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    { 
+        return [
+            'technologies' => 'array',
+        ];
+    }
 
     // ...
 }
diff --git a/packages/forms/docs/19-slider.md b/packages/forms/docs/19-slider.md
index fd37d5973d..6af02cbcce 100644
--- a/packages/forms/docs/19-slider.md
+++ b/packages/forms/docs/19-slider.md
@@ -139,9 +139,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class Post extends Model
 {
-    protected $casts = [
-        'slider' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'slider' => 'array',
+        ];
+    }
 
     // ...
 }
diff --git a/packages/infolists/docs/07-key-value-entry.md b/packages/infolists/docs/07-key-value-entry.md
index f4c29accc3..2d8f987266 100644
--- a/packages/infolists/docs/07-key-value-entry.md
+++ b/packages/infolists/docs/07-key-value-entry.md
@@ -33,9 +33,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class Post extends Model
 {
-    protected $casts = [
-        'meta' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    { 
+        return [
+            'meta' => 'array',
+        ];
+    }
 
     // ...
 }
diff --git a/tests/src/Fixtures/Models/Post.php b/tests/src/Fixtures/Models/Post.php
index d45c6d92f4..8e1a1a4c02 100644
--- a/tests/src/Fixtures/Models/Post.php
+++ b/tests/src/Fixtures/Models/Post.php
@@ -14,13 +14,19 @@ class Post extends Model
     use HasFactory;
     use SoftDeletes;
 
-    protected $casts = [
-        'string_backed_enum' => StringBackedEnum::class,
-        'is_published' => 'boolean',
-        'tags' => 'array',
-        'json' => 'array',
-        'json_array_of_objects' => 'array',
-    ];
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'string_backed_enum' => StringBackedEnum::class,
+            'is_published' => 'boolean',
+            'tags' => 'array',
+            'json' => 'array',
+            'json_array_of_objects' => 'array',
+        ];
+    }
 
     protected $guarded = [];
 
diff --git a/tests/src/Fixtures/Models/User.php b/tests/src/Fixtures/Models/User.php
index 60a6a7c1d2..89aa6a4837 100644
--- a/tests/src/Fixtures/Models/User.php
+++ b/tests/src/Fixtures/Models/User.php
@@ -33,15 +33,18 @@ class User extends Authenticatable implements FilamentUser, HasAppAuthentication
     ];
 
     /**
-     * @var array<string, string>
+     * @return array<string, string>
      */
-    protected $casts = [
-        'json' => 'array',
-        'email_verified_at' => 'datetime',
-        'app_authentication_secret' => 'encrypted',
-        'app_authentication_recovery_codes' => 'encrypted:array',
-        'has_email_authentication' => 'boolean',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'json' => 'array',
+            'email_verified_at' => 'datetime',
+            'app_authentication_secret' => 'encrypted',
+            'app_authentication_recovery_codes' => 'encrypted:array',
+            'has_email_authentication' => 'boolean',
+        ];
+    }
 
     public function canAccessPanel(Panel $panel): bool
     {