diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4119825..7f9f830 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [2.0.0](https://github.com/ankurk91/laravel-bundler/compare/1.5.1..2.0.0)
+
+* Require `kreait/firebase-php@^7.5` due to [Discontinued FCM Messaging API](https://github.com/kreait/firebase-php/issues/804)
+
 ## [1.5.1](https://github.com/ankurk91/laravel-bundler/compare/1.5.0..1.5.1)
 
 * Add support for Laravel 10
diff --git a/composer.json b/composer.json
index a18c0dd..1e202e4 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,8 @@
     "illuminate/events": "^9.34 || ^10.0",
     "illuminate/notifications": "^9.34 || ^10.0",
     "illuminate/support": "^9.34 || ^10.0",
-    "kreait/laravel-firebase": "^5.0"
+    "kreait/firebase-php": "^7.5",
+    "kreait/laravel-firebase": "^5.2"
   },
   "require-dev": {
     "orchestra/testbench": "^7.10 || ^8.0",
diff --git a/src/FCMChannel.php b/src/FCMChannel.php
index 4e0959d..f74d8ff 100644
--- a/src/FCMChannel.php
+++ b/src/FCMChannel.php
@@ -8,13 +8,11 @@
 use Illuminate\Notifications\Notification;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Str;
-use Kreait\Firebase\Contract\Messaging;
 use Kreait\Firebase\Contract\Messaging as MessagingClient;
 use Kreait\Firebase\Exception\FirebaseException;
 use Kreait\Firebase\Exception\Messaging\NotFound;
 use Kreait\Firebase\Exception\MessagingException;
 use Kreait\Firebase\Messaging\CloudMessage;
-use Kreait\Firebase\Messaging\Http\Request\SendMessageToTokens;
 use Kreait\Firebase\Messaging\MessageTarget;
 use Kreait\Laravel\Firebase\Facades\Firebase;
 use NotificationChannels\FCM\Exception\HttpException;
@@ -24,8 +22,6 @@
 
 class FCMChannel
 {
-    protected const BATCH_MESSAGE_LIMIT = Messaging::BATCH_MESSAGE_LIMIT;
-
     public function __construct(protected Dispatcher $events)
     {
         //
@@ -36,11 +32,11 @@ public function __construct(protected Dispatcher $events)
      *
      * @param mixed $notifiable
      * @param Notification $notification
-     * @return array<mixed>
+     * @return array<non-empty-string, mixed>|null|\Kreait\Firebase\Messaging\MulticastSendReport
      *
      * @throws FirebaseException
      */
-    public function send($notifiable, Notification $notification): array
+    public function send($notifiable, Notification $notification)
     {
         // Build the target
         [$targetType, $targetValue] = $this->getTarget($notifiable, $notification);
@@ -50,7 +46,7 @@ public function send($notifiable, Notification $notification): array
 
         // Check if there is a target, otherwise return an empty array
         if (empty($targetValue)) {
-            return [];
+            return null;
         }
 
         // Make the messaging client
@@ -60,23 +56,14 @@ public function send($notifiable, Notification $notification): array
         try {
             // Send multicast
             if ($this->canSendToMulticast($targetType, $targetValue)) {
-                $chunkedTokens = array_chunk($targetValue, self::BATCH_MESSAGE_LIMIT);
-
-                $responses = [];
-                foreach ($chunkedTokens as $chunkedToken) {
-                    $responses[] = $client->sendMulticast($message, $chunkedToken);
-                }
-
-                return $responses;
+                return $client->sendMulticast($message, $targetValue);
             }
 
             // Set the target and type; since we are sure that target is single
             $message = $message->withChangedTarget($targetType, Arr::first($targetValue));
 
             // Send to single target
-            return [
-                $client->send($message)
-            ];
+            return $client->send($message);
         } catch (NotFound $exception) {
             $this->emitFailedEvent($notifiable, $notification, $exception);
 
diff --git a/tests/FCMChannelTest.php b/tests/FCMChannelTest.php
index 40c58fd..5e7dac0 100644
--- a/tests/FCMChannelTest.php
+++ b/tests/FCMChannelTest.php
@@ -5,7 +5,6 @@
 
 use Closure;
 use Illuminate\Contracts\Events\Dispatcher;
-use Illuminate\Support\Arr;
 use Illuminate\Support\Facades\Event;
 use Illuminate\Support\Facades\Notification;
 use Kreait\Firebase\Contract\Messaging as MessagingClient;
@@ -86,8 +85,7 @@ public function a_message_can_be_send_to_a_target()
         $response = $this->channel->send(new TestModel, new TestNotification);
 
         $this->assertIsArray($response);
-        $this->assertIsArray(Arr::first($response));
-        $this->assertArrayHasKey('response-key', Arr::first($response));
+        $this->assertArrayHasKey('response-key', $response);
     }
 
     /** @test */
@@ -109,8 +107,7 @@ public function a_message_can_be_send_to_a_topic()
         $response = $this->channel->send(new TestModel(MessageTarget::TOPIC), new TestNotification);
 
         $this->assertIsArray($response);
-        $this->assertIsArray(Arr::first($response));
-        $this->assertArrayHasKey('response-key', Arr::first($response));
+        $this->assertArrayHasKey('response-key', $response);
     }
 
     /** @test */
@@ -126,14 +123,13 @@ public function a_message_can_be_send_to_a_condition()
                 ], $this->getPropertyValue($message, 'notification')->jsonSerialize());
 
                 return true;
-            })->andReturn(['response-key' => 2]);
+            })->andReturn(['response-key' => 3]);
         });
 
         $response = $this->channel->send(new TestModel(MessageTarget::CONDITION), new TestNotification);
 
         $this->assertIsArray($response);
-        $this->assertIsArray(Arr::first($response));
-        $this->assertArrayHasKey('response-key', Arr::first($response));
+        $this->assertArrayHasKey('response-key', $response);
     }
 
     /** @test */
@@ -152,8 +148,7 @@ public function a_message_can_be_send_to_multicast()
 
         $response = $this->channel->send(new TestModel(MessageTarget::TOKEN, true), new TestNotification);
 
-        $this->assertIsArray($response);
-        $this->assertInstanceOf(MulticastSendReport::class, Arr::first($response));
+        $this->assertInstanceOf(MulticastSendReport::class, $response);
     }
 
     /** @test */
@@ -189,8 +184,7 @@ public function nothing_is_sent_when_no_token_is_supplied()
     {
         $response = $this->channel->send(new TestModel(null), new TestNotification);
 
-        $this->assertIsArray($response);
-        $this->assertEmpty($response);
+        $this->assertNull($response);
     }
 
     /** @test */
@@ -206,7 +200,7 @@ public function it_supports_anonymous_notifiable()
                 ], $this->getPropertyValue($message, 'notification')->jsonSerialize());
 
                 return true;
-            })->andReturn(['response-key' => 1]);
+            })->andReturn(['response-key' => 5]);
         });
 
         Event::fake();