diff --git a/app/Nova/Book.php b/app/Nova/Book.php
index a7fa9e98..78f1528b 100644
--- a/app/Nova/Book.php
+++ b/app/Nova/Book.php
@@ -81,7 +81,7 @@ public function fields(NovaRequest $request): array
             })->filterable()
                 ->showOnPreview(),
 
-            Tab::panel('Relations', [
+            Tab::group('Relations', [
                 BelongsToMany::make('Purchasers', 'purchasers', User::class)
                     ->fields(new Fields\BookPurchase(null, true))
                     ->actions(function () {
diff --git a/app/Nova/Notification.php b/app/Nova/Notification.php
index aef66b7a..7a3b0be6 100644
--- a/app/Nova/Notification.php
+++ b/app/Nova/Notification.php
@@ -108,7 +108,7 @@ public function fields(NovaRequest $request): array
 
             Text::make('Type')->onlyOnDetail(),
 
-            Tab::panel('Details', [
+            Tab::group('Details', [
                 Panel::make('Additional Details', [
                     KeyValue::make('Data'),
 
diff --git a/app/Nova/Subscriber.php b/app/Nova/Subscriber.php
index 79f6943c..02d033c6 100644
--- a/app/Nova/Subscriber.php
+++ b/app/Nova/Subscriber.php
@@ -79,7 +79,7 @@ public function fields(NovaRequest $request): array
                 ])
                 ->asJson(),
 
-            Tab::panel('Additional Details', [
+            Tab::group('Additional Details', [
                 Panel::make('Security', [
                     Password::make('Password', 'password')
                         ->onlyOnForms()