diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index e99ae44..1b1bfc0 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.1'
+          php-version: '8.2'
           coverage: none
 
       - name: Install composer dependencies
diff --git a/src/Resources/MailResource.php b/src/Resources/MailResource.php
index bbf0be0..1d628d1 100644
--- a/src/Resources/MailResource.php
+++ b/src/Resources/MailResource.php
@@ -453,15 +453,18 @@ private static function getResendForm(): array
                 ->placeholder(__('Recipient(s)'))
                 ->label(__('To'))
                 ->required()
+                ->rules(['array'])
                 ->nestedRecursiveRules(['email:rfc,dns']),
             TagsInput::make('cc')
                 ->placeholder(__('Recipient(s)'))
                 ->label(__('CC'))
-                ->nestedRecursiveRules(['nullable', 'email:rfc,dns']),
+                ->rules(['nullable', 'array'])
+                ->nestedRecursiveRules(['email:rfc,dns']),
             TagsInput::make('bcc')
                 ->placeholder(__('Recipient(s)'))
                 ->label(__('BCC'))
-                ->nestedRecursiveRules(['nullable', 'email:rfc,dns']),
+                ->rules(['nullable', 'array'])
+                ->nestedRecursiveRules(['email:rfc,dns']),
         ];
     }
 
@@ -485,19 +488,22 @@ private static function getBulkResendForm($records): array
                 ->label(__('Recipient(s)'))
                 ->default($toEmails)
                 ->required()
+                ->rules(['array'])
                 ->nestedRecursiveRules(['email:rfc,dns']),
 
             TagsInput::make('cc')
                 ->placeholder(__('CC'))
                 ->label(__('CC'))
                 ->default($ccEmails)
-                ->nestedRecursiveRules(['nullable', 'email:rfc,dns']),
+                ->rules(['nullable', 'array'])
+                ->nestedRecursiveRules(['email:rfc,dns']),
 
             TagsInput::make('bcc')
                 ->placeholder(__('BCC'))
                 ->label(__('BCC'))
                 ->default($bccEmails)
-                ->nestedRecursiveRules(['nullable', 'email:rfc,dns']),
+                ->rules(['nullable', 'array'])
+                ->nestedRecursiveRules(['email:rfc,dns']),
         ];
     }