diff --git a/packages/actions/docs/04-modals.md b/packages/actions/docs/04-modals.md
index 2d3c11b78f..312bf08326 100644
--- a/packages/actions/docs/04-modals.md
+++ b/packages/actions/docs/04-modals.md
@@ -552,3 +552,12 @@ Action::make('create')
     ->modalHidden(fn (): bool => $this->role !== 'admin')
     ->modalContent(view('filament.pages.actions.create'))
 ```
+
+## Adding extra attributes to the modal window
+
+You may also pass extra HTML attributes to the modal window using `extraModalWindowAttributes()`:
+
+```php
+Action::make('updateAuthor')
+    ->extraModalWindowAttributes(['class' => 'update-author-modal'])
+```
diff --git a/packages/actions/resources/views/components/modals.blade.php b/packages/actions/resources/views/components/modals.blade.php
index db7911121c..d4e91b8217 100644
--- a/packages/actions/resources/views/components/modals.blade.php
+++ b/packages/actions/resources/views/components/modals.blade.php
@@ -10,6 +10,7 @@
             :close-by-clicking-away="$action?->isModalClosedByClickingAway()"
             :description="$action?->getModalDescription()"
             display-classes="block"
+            :extra-modal-window-attribute-bag="$action?->getExtraModalWindowAttributeBag()"
             :footer-actions="$action?->getVisibleModalFooterActions()"
             :footer-actions-alignment="$action?->getModalFooterActionsAlignment()"
             :heading="$action?->getModalHeading()"
@@ -69,6 +70,7 @@
             :close-by-clicking-away="$action?->isModalClosedByClickingAway()"
             :description="$action?->getModalDescription()"
             display-classes="block"
+            :extra-modal-window-attribute-bag="$action?->getExtraModalWindowAttributeBag()"
             :footer-actions="$action?->getVisibleModalFooterActions()"
             :footer-actions-alignment="$action?->getModalFooterActionsAlignment()"
             :heading="$action?->getModalHeading()"
@@ -122,6 +124,7 @@
             :close-by-clicking-away="$action?->isModalClosedByClickingAway()"
             :description="$action?->getModalDescription()"
             display-classes="block"
+            :extra-modal-window-attribute-bag="$action?->getExtraModalWindowAttributeBag()"
             :footer-actions="$action?->getVisibleModalFooterActions()"
             :footer-actions-alignment="$action?->getModalFooterActionsAlignment()"
             :heading="$action?->getModalHeading()"
@@ -181,6 +184,7 @@
             :close-by-clicking-away="$action?->isModalClosedByClickingAway()"
             :description="$action?->getModalDescription()"
             display-classes="block"
+            :extra-modal-window-attribute-bag="$action?->getExtraModalWindowAttributeBag()"
             :footer-actions="$action?->getVisibleModalFooterActions()"
             :footer-actions-alignment="$action?->getModalFooterActionsAlignment()"
             :heading="$action?->getModalHeading()"
@@ -240,6 +244,7 @@
             :close-by-clicking-away="$action?->isModalClosedByClickingAway()"
             :description="$action?->getModalDescription()"
             display-classes="block"
+            :extra-modal-window-attribute-bag="$action?->getExtraModalWindowAttributeBag()"
             :footer-actions="$action?->getVisibleModalFooterActions()"
             :footer-actions-alignment="$action?->getModalFooterActionsAlignment()"
             :heading="$action?->getModalHeading()"
diff --git a/packages/actions/src/Concerns/HasExtraModalWindowAttributes.php b/packages/actions/src/Concerns/HasExtraModalWindowAttributes.php
new file mode 100644
index 0000000000..e4973b7cb9
--- /dev/null
+++ b/packages/actions/src/Concerns/HasExtraModalWindowAttributes.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Filament\Actions\Concerns;
+
+use Closure;
+use Illuminate\View\ComponentAttributeBag;
+
+trait HasExtraModalWindowAttributes
+{
+    /**
+     * @var array<array<mixed> | Closure>
+     */
+    protected array $extraModalWindowAttributes = [];
+
+    /**
+     * @param  array<mixed> | Closure  $attributes
+     */
+    public function extraModalWindowAttributes(array | Closure $attributes, bool $merge = false): static
+    {
+        if ($merge) {
+            $this->extraModalWindowAttributes[] = $attributes;
+        } else {
+            $this->extraModalWindowAttributes = [$attributes];
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return array<mixed>
+     */
+    public function getExtraModalWindowAttributes(): array
+    {
+        $temporaryAttributeBag = new ComponentAttributeBag();
+
+        foreach ($this->extraModalWindowAttributes as $extraModalWindowAttributes) {
+            $temporaryAttributeBag = $temporaryAttributeBag->merge($this->evaluate($extraModalWindowAttributes));
+        }
+
+        return $temporaryAttributeBag->getAttributes();
+    }
+
+    public function getExtraModalWindowAttributeBag(): ComponentAttributeBag
+    {
+        return new ComponentAttributeBag($this->getExtraModalWindowAttributes());
+    }
+}
diff --git a/packages/actions/src/MountableAction.php b/packages/actions/src/MountableAction.php
index 260378a452..f484ca2cbb 100644
--- a/packages/actions/src/MountableAction.php
+++ b/packages/actions/src/MountableAction.php
@@ -16,6 +16,7 @@ abstract class MountableAction extends StaticAction implements HasLivewire
     use Concerns\CanRedirect;
     use Concerns\CanRequireConfirmation;
     use Concerns\CanUseDatabaseTransactions;
+    use Concerns\HasExtraModalWindowAttributes;
     use Concerns\HasForm;
     use Concerns\HasInfolist;
     use Concerns\HasLifecycleHooks;
diff --git a/packages/support/resources/views/components/modal/index.blade.php b/packages/support/resources/views/components/modal/index.blade.php
index 678a467ea4..429702528e 100644
--- a/packages/support/resources/views/components/modal/index.blade.php
+++ b/packages/support/resources/views/components/modal/index.blade.php
@@ -11,6 +11,7 @@
     'closeEventName' => 'close-modal',
     'description' => null,
     'displayClasses' => 'inline-block',
+    'extraModalWindowAttributeBag' => null,
     'footer' => null,
     'footerActions' => [],
     'footerActionsAlignment' => Alignment::Start,
@@ -47,6 +48,8 @@
     }
 
     $closeEventHandler = filled($id) ? '$dispatch(' . \Illuminate\Support\Js::from($closeEventName) . ', { id: ' . \Illuminate\Support\Js::from($id) . ' })' : 'close()';
+
+    $modalWindowAttributes = $extraModalWindowAttributeBag ?? new \Illuminate\View\ComponentAttributeBag();
 @endphp
 
 <div
@@ -170,7 +173,7 @@
                         x-transition:leave-start="scale-100 opacity-100"
                         x-transition:leave-end="scale-95 opacity-0"
                     @endif
-                    @class([
+                    {{ $modalWindowAttributes->class([
                         'fi-modal-window pointer-events-auto relative row-start-2 flex w-full cursor-default flex-col bg-white shadow-xl ring-1 ring-gray-950/5 dark:bg-gray-900 dark:ring-white/10',
                         'fi-modal-slide-over-window ms-auto overflow-y-auto' => $slideOver,
                         // Using an arbitrary value instead of the h-dvh class that was added in Tailwind CSS v3.4.0
@@ -203,7 +206,7 @@
                             MaxWidth::Screen => 'fixed inset-0',
                             default => $width,
                         },
-                    ])
+                    ]) }}
                 >
                     @if ($heading || $header)
                         <div