diff --git a/.gitignore b/.gitignore
index 4f38912..7720681 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
 .idea
+assets/img
+assets/app*
+assets/mix-manifest.json
 vendor
 composer.lock
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..4fbce92
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,22 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [2.0.0] - 2021-11-05
+### Added
+- PHP 7.4 and PHP 8.0 support.
+
+### Changed
+- The location of the Horizon assets has been changed. The Horizon assets are published into the plugin directory itself (`plugins/vdlp/horizon/assets`). Please note that you need to re-publish the assets when you are deploying your October CMS website or application using the `php artisan horizon:assets` command otherwise the Horizon Dashboard will not be available.
+- The `horizon:assets` command can now be used to (re-)publish the Horizon Assets required for the Horizon Dashboard. 
+- Renamed `PushExampleJobs` to `PushExampleJobsCommand`.
+
+### Removed
+- Removed the dependency of the October CMS module (for headless applications).
+- Support for PHP 7.1
+
+## [1.0.0] - 2021-06-22
+
+- First release of `vdlp/oc-horizon-plugin`.
diff --git a/Plugin.php b/Plugin.php
index 17491fa..7fade00 100644
--- a/Plugin.php
+++ b/Plugin.php
@@ -11,15 +11,13 @@
 use Illuminate\Notifications\NotificationServiceProvider;
 use Laravel\Horizon\Horizon;
 use System\Classes\PluginBase;
-use Vdlp\Horizon\Console\PushExampleJobs;
+use Vdlp\Horizon\Console\InstallCommand;
+use Vdlp\Horizon\Console\PushExampleJobsCommand;
 use Vdlp\Horizon\ServiceProviders\HorizonServiceProvider;
 
 final class Plugin extends PluginBase
 {
-    /**
-     * @var Backend
-     */
-    private $backend;
+    private Backend $backend;
 
     public function __construct($app)
     {
@@ -32,7 +30,7 @@ public function pluginDetails(): array
     {
         return [
             'name' => 'Horizon',
-            'description' => 'Laravel Horizon integration for OctoberCMS',
+            'description' => 'Laravel Horizon integration for October CMS',
             'author' => 'Van der Let & Partners',
             'icon' => 'icon-area-chart',
             'homepage' => 'https://octobercms.com/plugin/vdlp-horizon',
@@ -43,8 +41,8 @@ public function boot(): void
     {
         config()->set('app.env', $this->app->environment());
 
-        Horizon::auth(static function () {
-            /** @var User $user */
+        Horizon::auth(static function (): bool {
+            /** @var ?User $user */
             $user = AuthManager::instance()->getUser();
 
             if ($user === null) {
@@ -60,8 +58,10 @@ public function boot(): void
         $this->bootNotificationSettings();
 
         if (config('app.debug') === true) {
-            $this->registerConsoleCommand(PushExampleJobs::class, PushExampleJobs::class);
+            $this->registerConsoleCommand(PushExampleJobsCommand::class, PushExampleJobsCommand::class);
         }
+
+        $this->registerConsoleCommand(InstallCommand::class, InstallCommand::class);
     }
 
     public function register(): void
@@ -79,32 +79,26 @@ public function registerSchedule($schedule): void
 
     public function registerPermissions(): array
     {
-        return array_merge(
-            (array) parent::registerPermissions(),
-            [
-                'vdlp.horizon.access_dashboard' => [
-                    'tab' => 'Horizon',
-                    'label' => 'Access to the Horizon dashboard',
-                    'roles' => ['developer'],
-                ],
-            ]
-        );
+        return [
+            'vdlp.horizon.access_dashboard' => [
+                'tab' => 'Horizon',
+                'label' => 'Access to the Horizon dashboard',
+                'roles' => ['developer'],
+            ],
+        ];
     }
 
     public function registerNavigation(): array
     {
-        return array_merge(
-            (array) parent::registerNavigation(),
-            [
-                'dashboard' => [
-                    'label' => 'Horizon',
-                    'url' => $this->backend->url('vdlp/horizon/dashboard'),
-                    'iconSvg' => '/plugins/vdlp/horizon/assets/icons/horizon.svg',
-                    'permissions' => ['vdlp.horizon.access_dashboard'],
-                    'order' => 500,
-                ],
-            ]
-        );
+        return [
+            'dashboard' => [
+                'label' => 'Horizon',
+                'url' => $this->backend->url('vdlp/horizon/dashboard'),
+                'iconSvg' => '/plugins/vdlp/horizon/assets/icons/horizon.svg',
+                'permissions' => ['vdlp.horizon.access_dashboard'],
+                'order' => 500,
+            ],
+        ];
     }
 
     public function registerMailTemplates(): array
@@ -116,20 +110,20 @@ public function registerMailTemplates(): array
 
     private function bootNotificationSettings(): void
     {
-        if (config('vdlp.horizon::mail_notifications_enabled', false)) {
+        if ((bool) config('vdlp.horizon::mail_notifications_enabled', false)) {
             Horizon::routeMailNotificationsTo(
                 config('vdlp.horizon::mail_notifications_to')
             );
         }
 
-        if (config('vdlp.horizon::slack_notifications_enabled', false)) {
+        if ((bool) config('vdlp.horizon::slack_notifications_enabled', false)) {
             Horizon::routeSlackNotificationsTo(
                 config('vdlp.horizon::slack_notifications_webhook_url'),
                 config('vdlp.horizon::slack_notifications_channel')
             );
         }
 
-        if (config('vdlp.horizon::sms_notifications_enabled', false)) {
+        if ((bool) config('vdlp.horizon::sms_notifications_enabled', false)) {
             Horizon::routeSmsNotificationsTo(
                 config('vdlp.horizon::sms_notifications_to')
             );
diff --git a/README.md b/README.md
index d4ad487..53ba141 100644
--- a/README.md
+++ b/README.md
@@ -18,8 +18,8 @@ Horizon is 100% open source, so you're free to dig through the source to see exa
 
 ## Requirements
 
-* October CMS 1.0
-* Due to its usage of async process signals, Horizon requires **PHP 7.1+**.
+* October CMS 1.0 or higher
+* PHP 7.4 or PHP 8.0+
 * PHP extensions: `ext-pcntl`, `ext-posix` and `ext-redis`.
 * Supervisor, see [Laravel 6.x supervisor configuration](https://laravel.com/docs/6.x/queues#supervisor-configuration).
 
@@ -53,22 +53,22 @@ You should add the `dont-discover` option to your projects `composer.json` file
 
 > IMPORTANT: Make sure the `composer.json` is deployed to your hosting site. This will be parsed by te framework to determine which service providers should be ignored.
 
-## Assets
-
-* Run the command to publish assets for the Horizon dashboard:
+## Assets & Configuration
 
 ```
-php artisan vendor:publish --tag horizon-assets --force
+php artisan horizon:install
 ```
 
-## Configuration
+## Update Horizon Assets
 
-* Run the command to publish configuration file `config/horizon.php`:
+To update the Horizon Assets you can use the following command:
 
 ```
-php artisan vendor:publish --tag horizon-config --force
+php artisan horizon:assets
 ```
 
+> IMPORTANT: Add the above command to your deployment logic. This way the assets will always be up to date on your staging or production environment.
+
 * Configure Laravel Horizon settings file at `config/horizon.php`, please make sure `use` contains `horizon` (see the configuration snippet below).
 
 ```
diff --git a/classes/PathHelper.php b/classes/PathHelper.php
index 7cda5a8..75eab04 100644
--- a/classes/PathHelper.php
+++ b/classes/PathHelper.php
@@ -4,39 +4,24 @@
 
 namespace Vdlp\Horizon\Classes;
 
-use Cms\Classes\Theme;
-use Cms\Facades\Cms;
+use Illuminate\Contracts\Routing\UrlGenerator;
+use Illuminate\Filesystem\Filesystem;
+use Throwable;
 
 final class PathHelper
 {
-    /**
-     * @var Theme|null
-     */
-    private $theme;
+    private UrlGenerator $urlGenerator;
+    private Filesystem $filesystem;
 
-    public function __construct()
+    public function __construct(UrlGenerator $urlGenerator, Filesystem $filesystem)
     {
-        $this->theme = Theme::getActiveTheme();
-    }
-
-    private function hasActiveTheme(): bool
-    {
-        return $this->theme !== null;
+        $this->urlGenerator = $urlGenerator;
+        $this->filesystem = $filesystem;
     }
 
     public function getAssetsPath(?string $path = null): string
     {
-        if (!$this->hasActiveTheme()) {
-            return (string) $path;
-        }
-
-        $assetsPath = $this->theme->getPath(
-            $this->theme->getDirName()
-            . DIRECTORY_SEPARATOR
-            . 'assets'
-            . DIRECTORY_SEPARATOR
-            . 'horizon'
-        );
+        $assetsPath = plugins_path('vdlp/horizon/assets');
 
         if ($path !== null) {
             $assetsPath .= DIRECTORY_SEPARATOR . ltrim($path, DIRECTORY_SEPARATOR);
@@ -47,11 +32,7 @@ public function getAssetsPath(?string $path = null): string
 
     public function getAssetsUrlPath(?string $path = null): string
     {
-        if (!$this->hasActiveTheme()) {
-            return (string) $path;
-        }
-
-        $assetsUrlPath = Cms::url('/themes/' . $this->theme->getDirName() . '/assets/horizon');
+        $assetsUrlPath = $this->urlGenerator->asset('plugins/vdlp/horizon/assets');
 
         if ($path !== null) {
             $assetsUrlPath .= '/' . ltrim($path, '/');
@@ -59,4 +40,16 @@ public function getAssetsUrlPath(?string $path = null): string
 
         return $assetsUrlPath;
     }
+
+    public function assetsAreCurrent(): bool
+    {
+        $publishedPath = $this->getAssetsPath('mix-manifest.json');
+        $vendorPath = base_path('vendor/laravel/horizon/public/mix-manifest.json');
+
+        try {
+            return $this->filesystem->get($publishedPath) === $this->filesystem->get($vendorPath);
+        } catch (Throwable $exception) {
+            return false;
+        }
+    }
 }
diff --git a/composer.json b/composer.json
index 66a3e3c..3550ee3 100644
--- a/composer.json
+++ b/composer.json
@@ -20,13 +20,12 @@
     ],
     "license": "GPL-2.0-only",
     "require": {
-        "php": ">=7.1",
+        "php": "^7.4 || ^8.0",
         "ext-pcntl": "*",
         "ext-posix": "*",
         "ext-redis": "*",
         "laravel/horizon": "^3.0",
         "composer/installers": "^1.0"
-
     },
     "archive": {
         "exclude": [
diff --git a/console/InstallCommand.php b/console/InstallCommand.php
new file mode 100644
index 0000000..d861d02
--- /dev/null
+++ b/console/InstallCommand.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Vdlp\Horizon\Console;
+
+use Illuminate\Console\Command;
+
+final class InstallCommand extends Command
+{
+    public function __construct()
+    {
+        $this->signature = 'horizon:install';
+        $this->description = 'Install all of the Horizon resources';
+
+        parent::__construct();
+    }
+
+    public function handle(): void
+    {
+        $this->comment('Publishing Horizon Assets...');
+        $this->callSilent('vendor:publish', ['--tag' => 'horizon-assets']);
+
+        $this->comment('Publishing Horizon Configuration...');
+        $this->callSilent('vendor:publish', ['--tag' => 'horizon-config']);
+
+        $this->info('Horizon scaffolding installed successfully.');
+    }
+}
diff --git a/console/PushExampleJobs.php b/console/PushExampleJobsCommand.php
similarity index 91%
rename from console/PushExampleJobs.php
rename to console/PushExampleJobsCommand.php
index 0871ad6..48c99f6 100644
--- a/console/PushExampleJobs.php
+++ b/console/PushExampleJobsCommand.php
@@ -8,7 +8,7 @@
 use October\Rain\Support\Str;
 use Vdlp\Horizon\Jobs\Example;
 
-final class PushExampleJobs extends Command
+final class PushExampleJobsCommand extends Command
 {
     public function __construct()
     {
diff --git a/jobs/Example.php b/jobs/Example.php
index 5d137a4..95f13a0 100644
--- a/jobs/Example.php
+++ b/jobs/Example.php
@@ -12,8 +12,10 @@
 
 final class Example implements ShouldQueue
 {
-    use Dispatchable, Queueable;
-    private $fooBar;
+    use Dispatchable;
+    use Queueable;
+
+    private string $fooBar;
 
     public function __construct(string $fooBar)
     {
@@ -21,7 +23,6 @@ public function __construct(string $fooBar)
     }
 
     /**
-     * @param LoggerInterface $log
      * @throws Exception
      */
     public function handle(LoggerInterface $log): void
diff --git a/listeners/SendNotification.php b/listeners/SendNotification.php
index 9c4f6a9..465e026 100644
--- a/listeners/SendNotification.php
+++ b/listeners/SendNotification.php
@@ -11,15 +11,8 @@
 
 final class SendNotification
 {
-    /**
-     * @var Horizon\Lock
-     */
-    private $lock;
-
-    /**
-     * @var Mailer
-     */
-    private $mailer;
+    private Horizon\Lock $lock;
+    private Mailer $mailer;
 
     public function __construct(Horizon\Lock $lock, Mailer $mailer)
     {
@@ -46,11 +39,14 @@ public function handle(Horizon\Events\LongWaitDetected $event): void
                 'seconds' => $notification->seconds,
             ];
 
-            $this->mailer->send('vdlp.horizon::mail.long-wait-detected', $data, static function (Message $message) {
-                $message
-                    ->to(Horizon\Horizon::$email)
-                    ->subject(config('app.name') . ': Long Queue Wait Detected');
-            });
+            $this->mailer->send(
+                'vdlp.horizon::mail.long-wait-detected',
+                $data,
+                static function (Message $message): void {
+                    $message
+                        ->to(Horizon\Horizon::$email)
+                        ->subject(config('app.name') . ': Long Queue Wait Detected');
+                });
         }
     }
 }
diff --git a/models/Settings.php b/models/Settings.php
index c1b8cb1..af7f499 100644
--- a/models/Settings.php
+++ b/models/Settings.php
@@ -13,8 +13,8 @@
 final class Settings extends Model
 {
     public $implement = ['System.Behaviors.SettingsModel'];
-    public $settingsCode = 'vdlp_horizon_settings';
-    public $settingsFields = 'fields.yaml';
+    public string $settingsCode = 'vdlp_horizon_settings';
+    public string $settingsFields = 'fields.yaml';
 
     public function isMailNotificationEnabled(): bool
     {
diff --git a/routes.php b/routes.php
index bb5d000..b636b3a 100644
--- a/routes.php
+++ b/routes.php
@@ -2,18 +2,42 @@
 
 declare(strict_types=1);
 
+use Illuminate\Contracts\Routing\ResponseFactory;
+use Illuminate\Http\Request;
 use Illuminate\Routing\Router;
+use Symfony\Component\HttpFoundation\BinaryFileResponse;
 use Vdlp\Horizon\Classes\PathHelper;
 
 /** @var Router $router */
 $router = resolve(Router::class);
 
-$router->group(['middleware' => ['web']], static function () use ($router) {
-    $router->get('/vendor/horizon/img/horizon.svg', static function () {
-        $helper = new PathHelper;
+/** @var PathHelper $pathHelper */
+$pathHelper = resolve(PathHelper::class);
 
-        return response()->download($helper->getAssetsPath('img/horizon.svg'), 'horizon.svg', [
+$router->group(['middleware' => ['web']], static function () use ($router, $pathHelper): void {
+    $router->get('/vendor/horizon/img/horizon.svg', static function () use ($pathHelper): BinaryFileResponse {
+        /** @var ResponseFactory $factory */
+        $factory = resolve(ResponseFactory::class);
+
+        return $factory->download($pathHelper->getAssetsPath('img/horizon.svg'), 'horizon.svg', [
             'Content-Type' => 'image/svg+xml',
         ]);
     });
 });
+
+if (!$pathHelper->assetsAreCurrent()) {
+    $router->group([
+        'domain' => config('horizon.domain'),
+        'prefix' => config('horizon.path'),
+        'middleware' => config('horizon.middleware', 'web'),
+    ], static function () use ($router): void {
+        $router->get('/{anything?}', static function (Request $request): string {
+            if (Laravel\Horizon\Horizon::check($request)) {
+                return 'The published Horizon assets are not up-to-date with the installed version. '
+                    . 'To update, run:<br/><code>php artisan horizon:assets</code>';
+            }
+
+            abort(403);
+        })->where('anything', '(.*)');
+    });
+}
diff --git a/serviceproviders/HorizonServiceProvider.php b/serviceproviders/HorizonServiceProvider.php
index 2556490..a880ab6 100644
--- a/serviceproviders/HorizonServiceProvider.php
+++ b/serviceproviders/HorizonServiceProvider.php
@@ -4,7 +4,6 @@
 
 namespace Vdlp\Horizon\ServiceProviders;
 
-use Cms\Classes\Theme;
 use Laravel\Horizon;
 use Laravel\Horizon\HorizonServiceProvider as HorizonServiceProviderBase;
 use Vdlp\Horizon\Listeners\SendNotification;
@@ -14,7 +13,7 @@ final class HorizonServiceProvider extends HorizonServiceProviderBase
     public function defineAssetPublishing(): void
     {
         $this->publishes([
-            HORIZON_PATH . '/public' => $this->getAssetPath(),
+            HORIZON_PATH . '/public' => plugins_path('vdlp/horizon/assets'),
         ], 'horizon-assets');
     }
 
@@ -31,20 +30,4 @@ protected function registerResources(): void
     {
         $this->loadViewsFrom(plugins_path('vdlp/horizon/views'), 'horizon');
     }
-
-    private function getAssetPath(): string
-    {
-        /** @var Theme $theme */
-        $theme = Theme::getActiveTheme();
-
-        if ($theme === null) {
-            return '';
-        }
-
-        return $theme->getPath(implode(DIRECTORY_SEPARATOR, [
-            $theme->getDirName(),
-            'assets',
-            'horizon',
-        ]));
-    }
 }
diff --git a/updates/version.yaml b/updates/version.yaml
index d1a96ae..12d7820 100644
--- a/updates/version.yaml
+++ b/updates/version.yaml
@@ -1 +1,2 @@
 1.0.0: "First version of Vdlp.Horizon"
+2.0.0: "Removed the dependency of the October CMS module. Moved Horizon Assets. See CHANGELOG for more details."
diff --git a/views/layout.blade.php b/views/layout.blade.php
index 5dac5eb..b412e11 100644
--- a/views/layout.blade.php
+++ b/views/layout.blade.php
@@ -1,4 +1,4 @@
-<?php $helper = new \Vdlp\Horizon\Classes\PathHelper; ?><!doctype>
+<?php $helper = app(\Vdlp\Horizon\Classes\PathHelper::class); ?><!doctype>
 <!DOCTYPE html>
 <html lang="en">
 <head>