diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index e6490e2..cc0aca6 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -11,16 +11,12 @@ jobs:
     strategy:
       max-parallel: 15
       matrix:
-        laravel-version: ['11.0', ^8.0, ^9.0, ^10.0]
-        php-versions: ['8.0', '8.1', '8.2']
+        laravel-version: [^10.0, ^11.0]
+        php-versions: ['8.1', '8.2', '8.3']
         exclude:
-          - laravel-version: ^8.0
-            php-version: 8.2
-          - laravel-version: ^10.0
-            php-version: 8.0
-          - laravel-version: '11.0'
-            php-versions: '8.0'
-          - laravel-version: '11.0'
+          - laravel-version: '^10.0'
+            php-versions: '8.1'
+          - laravel-version: '^11.0'
             php-versions: '8.1'
 
     name: PHP ${{ matrix.php-versions }} on ${{ matrix.laravel-version }}
@@ -38,7 +34,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          composer require --no-update --no-interaction "illuminate/support:${{ matrix.laravel-version }}" satooshi/php-coveralls
+          composer require --no-update --no-interaction "illuminate/support:${{ matrix.laravel-version }}" php-coveralls/php-coveralls
           composer update --no-interaction --prefer-dist --no-suggest
 
       - name: Lint composer.json
diff --git a/.gitignore b/.gitignore
index e98468b..aecf24a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /composer.lock
 /tests/temp
 .phpunit.result.cache
+.phpunit.cache
diff --git a/composer.json b/composer.json
index c370f9b..ff7291c 100644
--- a/composer.json
+++ b/composer.json
@@ -16,12 +16,12 @@
         }
     ],
     "require": {
-        "php": "^8.0 | ^8.1",
-        "illuminate/support": "^8.0 | ^9.0 | ^10.0 | ^11.0"
+        "php": "^8.1",
+        "illuminate/support": "^10.0 | ^11.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^7.0 |^8.0 | ^9.0",
-        "phpunit/phpunit": "^9.0 | ^10.0",
+        "orchestra/testbench": "^8.0 | ^9.0",
+        "phpunit/phpunit": "^10.0 | ^11.0",
         "timacdonald/log-fake": "^2"
     },
     "autoload": {
diff --git a/src/Models/ScheduledNotification.php b/src/Models/ScheduledNotification.php
index f4e5158..903e337 100644
--- a/src/Models/ScheduledNotification.php
+++ b/src/Models/ScheduledNotification.php
@@ -56,7 +56,7 @@ public function send(): void
             $notifiable = $this->serializer->unserialize($this->target);
             $notification = $this->serializer->unserialize($this->notification);
         } catch (\Exception $exception) {
-            throw new UnserializeFailedException('Cannot Send. Unserialize Failed.', 2, $exception);
+            throw new UnserializeFailedException(sprintf('Cannot Send. Unserialize Failed. (%s)', $exception->getMessage()), 2, $exception);
         }
 
         if ($this->shouldInterrupt($notification, $notifiable)) {
diff --git a/src/ScheduledNotification.php b/src/ScheduledNotification.php
index 1b6e75d..77f2935 100644
--- a/src/ScheduledNotification.php
+++ b/src/ScheduledNotification.php
@@ -26,10 +26,11 @@ public function __construct(ScheduledNotificationModel $scheduleNotificationMode
     }
 
     /**
-     * @param  object  $notifiable
-     * @param  Notification  $notification
-     * @param  DateTimeInterface  $sendAt
-     * @param  array  $meta
+     * @param object            $notifiable
+     * @param Notification      $notification
+     * @param DateTimeInterface $sendAt
+     * @param array             $meta
+     *
      * @return self
      *
      * @throws SchedulingFailedException
@@ -56,11 +57,11 @@ public static function create(
         $targetType = $notifiable instanceof AnonymousNotifiable ? AnonymousNotifiable::class : get_class($notifiable);
 
         return new self($modelClass::create([
-            'target_id'         => $targetId,
-            'target_type'       => $targetType,
+            'target_id' => $targetId,
+            'target_type' => $targetType,
             'notification_type' => get_class($notification),
-            'target'            => $serializer->serialize($notifiable),
-            'notification'      => $serializer->serialize($notification),
+            'target' => $serializer->serialize($notifiable),
+            'notification' => $serializer->serialize($notification),
             'send_at' => $sendAt,
             'meta' => $meta,
         ]));
@@ -157,7 +158,7 @@ public static function cancelAnonymousNotificationsByChannel(string $channel, st
             ->get()
             ->map(function (ScheduledNotificationModel $model) use ($serializer) {
                 return [
-                    'id'     => $model->id,
+                    'id' => $model->id,
                     'routes' => $serializer->unserialize($model->target)->routes,
                 ];
             })
@@ -171,20 +172,22 @@ public static function cancelAnonymousNotificationsByChannel(string $channel, st
     }
 
     /**
-     * @param  DateTimeInterface|string  $sendAt
-     * @param  bool  $force
+     * @param DateTimeInterface|string $sendAt
+     * @param bool                     $force
+     *
      * @return self
      *
      * @throws NotificationAlreadySentException
      * @throws NotificationCancelledException
      */
-    public function reschedule( $sendAt, $force = false): self
+    public function reschedule($sendAt, $force = false): self
     {
         return new self($this->scheduleNotificationModel->reschedule($sendAt, $force));
     }
 
     /**
-     * @param  DateTimeInterface|string  $sendAt
+     * @param DateTimeInterface|string $sendAt
+     *
      * @return self
      */
     public function scheduleAgainAt($sendAt): self
@@ -252,38 +255,38 @@ public function getTargetId()
         return $this->scheduleNotificationModel->target_id;
     }
 
-    public function getSentAt(): ?CarbonImmutable
+    public function getSentAt(): Carbon|CarbonImmutable|null
     {
         return $this->scheduleNotificationModel->sent_at;
     }
 
-    public function getCancelledAt(): ?CarbonImmutable
+    public function getCancelledAt(): Carbon|CarbonImmutable|null
     {
         return $this->scheduleNotificationModel->cancelled_at;
     }
 
-    public function getRescheduledAt(): ?CarbonImmutable
+    public function getRescheduledAt(): Carbon|CarbonImmutable|null
     {
         return $this->scheduleNotificationModel->rescheduled_at;
     }
 
-    public function getSendAt(): CarbonImmutable
+    public function getSendAt(): Carbon|CarbonImmutable
     {
         return $this->scheduleNotificationModel->send_at;
     }
 
-    public function getCreatedAt(): CarbonImmutable
+    public function getCreatedAt(): Carbon|CarbonImmutable
     {
         return $this->scheduleNotificationModel->created_at;
     }
 
-    public function getUpdatedAt(): CarbonImmutable
+    public function getUpdatedAt(): Carbon|CarbonImmutable
     {
         return $this->scheduleNotificationModel->updated_at;
     }
 
     /**
-     * @param  null  $key
+     * @param null $key
      */
     public function getMeta($key = null)
     {
diff --git a/tests/SendCommandTest.php b/tests/SendCommandTest.php
index e52d8a4..0802bee 100644
--- a/tests/SendCommandTest.php
+++ b/tests/SendCommandTest.php
@@ -75,7 +75,7 @@ public function testItCatchesFailedScheduledNotifications()
             ->assertExitCode(0);
 
         Log::assertLogged(fn (LogEntry $log) => $log->level === 'error'
-            && $log->message === 'unserialize(): Error at offset 0 of 10 bytes'
+            && $log->message === 'Cannot Send. Unserialize Failed. (unserialize(): Error at offset 0 of 10 bytes)'
         );
     }
 }