diff --git a/plugins/backup-sync-dropbox/backup-sync-dropbox.zip b/plugins/backup-sync-dropbox/backup-sync-dropbox.zip
index 0d821c012..7a89b9552 100644
Binary files a/plugins/backup-sync-dropbox/backup-sync-dropbox.zip and b/plugins/backup-sync-dropbox/backup-sync-dropbox.zip differ
diff --git a/plugins/backup-sync-dropbox/src/composer.json b/plugins/backup-sync-dropbox/src/composer.json
index da7922872..0182fa1b5 100644
--- a/plugins/backup-sync-dropbox/src/composer.json
+++ b/plugins/backup-sync-dropbox/src/composer.json
@@ -8,11 +8,11 @@
     },
     "require": {
         "ext-mbstring": "*",
-        "ubnt/ucrm-plugin-sdk": "^0.9",
         "php-di/php-di": "^7.0",
         "psr/log": "^3.0",
         "league/flysystem": "^3.12",
         "spatie/flysystem-dropbox": "^3.0",
-        "stevenmaguire/oauth2-dropbox": "^3.1"
+        "stevenmaguire/oauth2-dropbox": "^3.1",
+        "ubnt/ucrm-plugin-sdk": "^0.12.0"
     }
 }
diff --git a/plugins/backup-sync-dropbox/src/composer.lock b/plugins/backup-sync-dropbox/src/composer.lock
index e7341d0dd..38f328367 100644
--- a/plugins/backup-sync-dropbox/src/composer.lock
+++ b/plugins/backup-sync-dropbox/src/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "17131d29174bf5b396292477ba9a415a",
+    "content-hash": "00d0d9c4448cbcb7cd0c84f185574bf4",
     "packages": [
         {
             "name": "graham-campbell/guzzle-factory",
@@ -1695,30 +1695,30 @@
         },
         {
             "name": "ubnt/ucrm-plugin-sdk",
-            "version": "0.9.0",
+            "version": "0.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Ubiquiti-App/UCRM-Plugin-SDK.git",
-                "reference": "02ca1d4ce7fca1bc7f49ef0259a03d0bfedec19f"
+                "reference": "4c69c1e8e6105d53bfed2a3c30da7dda144ede07"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Ubiquiti-App/UCRM-Plugin-SDK/zipball/02ca1d4ce7fca1bc7f49ef0259a03d0bfedec19f",
-                "reference": "02ca1d4ce7fca1bc7f49ef0259a03d0bfedec19f",
+                "url": "https://api.github.com/repos/Ubiquiti-App/UCRM-Plugin-SDK/zipball/4c69c1e8e6105d53bfed2a3c30da7dda144ede07",
+                "reference": "4c69c1e8e6105d53bfed2a3c30da7dda144ede07",
                 "shasum": ""
             },
             "require": {
                 "ext-curl": "*",
                 "ext-json": "*",
-                "guzzlehttp/guzzle": "^7.5",
+                "guzzlehttp/guzzle": "^7.8",
                 "php": ">=8.1",
-                "symfony/filesystem": "^6.2"
+                "symfony/filesystem": "^6.3"
             },
             "require-dev": {
                 "eloquent/phony-phpunit": "^7.1",
                 "eloquent/phpstan-phony": "^0.8.0",
                 "ocramius/package-versions": "^2.7",
-                "php-coveralls/php-coveralls": "^2.5",
+                "php-coveralls/php-coveralls": "^2.6",
                 "phpstan/phpstan": "^1.10",
                 "phpstan/phpstan-strict-rules": "^1.2",
                 "phpunit/phpunit": "^9.5",
@@ -1748,9 +1748,9 @@
             ],
             "support": {
                 "issues": "https://github.com/Ubiquiti-App/UCRM-Plugin-SDK/issues",
-                "source": "https://github.com/Ubiquiti-App/UCRM-Plugin-SDK/tree/0.9.0"
+                "source": "https://github.com/Ubiquiti-App/UCRM-Plugin-SDK/tree/0.12.0"
             },
-            "time": "2023-03-10T13:26:40+00:00"
+            "time": "2024-12-09T09:46:53+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/plugins/backup-sync-dropbox/src/main.php b/plugins/backup-sync-dropbox/src/main.php
index ee66a647c..436ed41f9 100644
--- a/plugins/backup-sync-dropbox/src/main.php
+++ b/plugins/backup-sync-dropbox/src/main.php
@@ -1,6 +1,7 @@
 <?php
 
 use BackupSyncDropbox\Handler\BackupHandler;
+use BackupSyncDropbox\Service\UnmsApiDropbox;
 use BackupSyncDropbox\TokenProvider\DropboxTokenProvider;
 use BackupSyncDropbox\Utility\LogCleaner;
 use BackupSyncDropbox\Utility\Logger;
@@ -14,7 +15,6 @@
 use Ubnt\UcrmPluginSdk\Service\PluginConfigManager;
 use Ubnt\UcrmPluginSdk\Service\PluginLogManager;
 use Ubnt\UcrmPluginSdk\Service\UcrmApi;
-use Ubnt\UcrmPluginSdk\Service\UnmsApi;
 
 require_once __DIR__ . '/vendor/autoload.php';
 
@@ -42,7 +42,7 @@
     $builder->addDefinitions(
         [
             Filesystem::class => $filesystem,
-            UnmsApi::class => UnmsApi::create($unmsApiToken),
+            UnmsApiDropbox::class => UnmsApiDropbox::create($unmsApiToken),
             UcrmApi::class => UcrmApi::create(),
             PluginLogManager::class => $pluginLogManager,
             LoggerInterface::class => $logger,
diff --git a/plugins/backup-sync-dropbox/src/src/DataProvider/BackupDataProvider.php b/plugins/backup-sync-dropbox/src/src/DataProvider/BackupDataProvider.php
index fbb193f60..84ea4d196 100644
--- a/plugins/backup-sync-dropbox/src/src/DataProvider/BackupDataProvider.php
+++ b/plugins/backup-sync-dropbox/src/src/DataProvider/BackupDataProvider.php
@@ -5,27 +5,17 @@
 namespace BackupSyncDropbox\DataProvider;
 
 use BackupSyncDropbox\Data\UnmsBackup;
+use BackupSyncDropbox\Service\UnmsApiDropbox;
 use BackupSyncDropbox\Utility\NmsSettings;
 use DateTimeImmutable;
 use DateTimeZone;
-use Ubnt\UcrmPluginSdk\Service\UnmsApi;
 
 final class BackupDataProvider
 {
-    /**
-     * @var UnmsApi
-     */
-    private $unmsApi;
-
-    /**
-     * @var NmsSettings
-     */
-    private $nmsSettings;
-
-    public function __construct(UnmsApi $unmsApi, NmsSettings $nmsSettings)
-    {
-        $this->unmsApi = $unmsApi;
-        $this->nmsSettings = $nmsSettings;
+    public function __construct(
+        private UnmsApiDropbox $unmsApiDropbox,
+        private NmsSettings $nmsSettings
+    ) {
     }
 
     /**
@@ -36,7 +26,7 @@ public function getListOfUnmsBackups(): array
         $list = [];
         $nmsTimeZone = $this->nmsSettings->getTimeZone();
 
-        $data = $this->unmsApi->get('nms/backups');
+        $data = $this->unmsApiDropbox->get('nms/backups');
         foreach ($data as $item) {
             if ($item['state'] !== 'success') {
                 continue;
diff --git a/plugins/backup-sync-dropbox/src/src/Facade/BackupFacade.php b/plugins/backup-sync-dropbox/src/src/Facade/BackupFacade.php
index 516d827f1..afe886c65 100644
--- a/plugins/backup-sync-dropbox/src/src/Facade/BackupFacade.php
+++ b/plugins/backup-sync-dropbox/src/src/Facade/BackupFacade.php
@@ -5,14 +5,14 @@
 namespace BackupSyncDropbox\Facade;
 
 use BackupSyncDropbox\Data\UnmsBackup;
+use BackupSyncDropbox\Service\UnmsApiDropbox;
 use League\Flysystem\Filesystem;
 use Psr\Log\LoggerInterface;
-use Ubnt\UcrmPluginSdk\Service\UnmsApi;
 
 final class BackupFacade
 {
     public function __construct(
-        private UnmsApi $unmsApi,
+        private UnmsApiDropbox $unmsApiDropbox,
         private Filesystem $filesystem,
         private LoggerInterface $logger
     ) {
@@ -26,10 +26,11 @@ public function upload(UnmsBackup $unmsBackup): void
             return;
         }
 
-        $temp = tmpfile();
-        fwrite($temp, $this->unmsApi->get(sprintf('nms/backups/%s', $unmsBackup->id)));
-
-        $this->filesystem->writeStream($unmsBackup->filename, $temp);
+        $temporaryFile = $this->getTemporaryFile();
+        $this->unmsApiDropbox->getSink(sprintf('nms/backups/%s', $unmsBackup->id), $temporaryFile);
+        $resource = fopen($temporaryFile, 'rb+');
+        $this->filesystem->writeStream($unmsBackup->filename, $resource);
+        unlink($temporaryFile);
 
         $this->logger->info(sprintf('Uploaded file "%s".', $unmsBackup->filename));
     }
@@ -51,4 +52,14 @@ public function deleteExcept(array $filenames): void
             $this->logger->info(sprintf('Deleted file "%s".', $item['path']));
         }
     }
+
+    private function getTemporaryFile(): string
+    {
+        $tempDir = realpath(sys_get_temp_dir());
+        assert(is_string($tempDir));
+        $tmpFile = tempnam($tempDir, 'ucrmTmpFile');
+        assert(is_string($tmpFile));
+
+        return $tmpFile;
+    }
 }
diff --git a/plugins/backup-sync-dropbox/src/src/Handler/BackupHandler.php b/plugins/backup-sync-dropbox/src/src/Handler/BackupHandler.php
index ee6e6cc52..339b255a3 100644
--- a/plugins/backup-sync-dropbox/src/src/Handler/BackupHandler.php
+++ b/plugins/backup-sync-dropbox/src/src/Handler/BackupHandler.php
@@ -10,29 +10,11 @@
 
 final class BackupHandler
 {
-    /**
-     * @var LoggerInterface
-     */
-    private $logger;
-
-    /**
-     * @var BackupFacade
-     */
-    private $backupFacade;
-
-    /**
-     * @var BackupDataProvider
-     */
-    private $backupDataProvider;
-
     public function __construct(
-        LoggerInterface $logger,
-        BackupFacade $backupFacade,
-        BackupDataProvider $backupDataProvider
+        private LoggerInterface $logger,
+        private BackupFacade $backupFacade,
+        private BackupDataProvider $backupDataProvider
     ) {
-        $this->logger = $logger;
-        $this->backupFacade = $backupFacade;
-        $this->backupDataProvider = $backupDataProvider;
     }
 
     public function sync(): void
diff --git a/plugins/backup-sync-dropbox/src/src/Service/UnmsApiDropbox.php b/plugins/backup-sync-dropbox/src/src/Service/UnmsApiDropbox.php
new file mode 100644
index 000000000..5759bf9dd
--- /dev/null
+++ b/plugins/backup-sync-dropbox/src/src/Service/UnmsApiDropbox.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BackupSyncDropbox\Service;
+
+use GuzzleHttp\RequestOptions;
+use Ubnt\UcrmPluginSdk\Service\UnmsApi;
+
+final class UnmsApiDropbox extends UnmsApi
+{
+    public function getSink(string $endpoint, string $filePath): void
+    {
+        $this->request(
+            'GET',
+            $endpoint,
+            [
+                RequestOptions::SINK => $filePath,
+            ]
+        );
+    }
+}
diff --git a/plugins/backup-sync-dropbox/src/src/TokenProvider/DropboxTokenProvider.php b/plugins/backup-sync-dropbox/src/src/TokenProvider/DropboxTokenProvider.php
index b93a16bc6..075eae3bd 100644
--- a/plugins/backup-sync-dropbox/src/src/TokenProvider/DropboxTokenProvider.php
+++ b/plugins/backup-sync-dropbox/src/src/TokenProvider/DropboxTokenProvider.php
@@ -18,20 +18,10 @@
 
 class DropboxTokenProvider implements TokenProvider
 {
-    /**
-     * @var PluginLogManager
-     */
-    private $pluginLogManager;
-
-    /**
-     * @var PluginConfigManager
-     */
-    private $pluginConfigManager;
-
-    public function __construct(PluginLogManager $pluginLogManager, PluginConfigManager $pluginConfigManager)
-    {
-        $this->pluginLogManager = $pluginLogManager;
-        $this->pluginConfigManager = $pluginConfigManager;
+    public function __construct(
+        private PluginLogManager $pluginLogManager,
+        private PluginConfigManager $pluginConfigManager
+    ) {
     }
 
     public function getToken(): string
diff --git a/plugins/backup-sync-dropbox/src/src/Utility/LogCleaner.php b/plugins/backup-sync-dropbox/src/src/Utility/LogCleaner.php
index 36d5984a8..5d3c86ff9 100644
--- a/plugins/backup-sync-dropbox/src/src/Utility/LogCleaner.php
+++ b/plugins/backup-sync-dropbox/src/src/Utility/LogCleaner.php
@@ -10,14 +10,8 @@ final class LogCleaner
 {
     private const MAX_LINES = 256;
 
-    /**
-     * @var PluginLogManager
-     */
-    private $pluginLogManager;
-
-    public function __construct(PluginLogManager $pluginLogManager)
+    public function __construct(private PluginLogManager $pluginLogManager)
     {
-        $this->pluginLogManager = $pluginLogManager;
     }
 
     public function clean(): void
diff --git a/plugins/backup-sync-dropbox/src/src/Utility/Logger.php b/plugins/backup-sync-dropbox/src/src/Utility/Logger.php
index c17f1f517..4f7cdb78e 100644
--- a/plugins/backup-sync-dropbox/src/src/Utility/Logger.php
+++ b/plugins/backup-sync-dropbox/src/src/Utility/Logger.php
@@ -13,14 +13,8 @@ final class Logger implements LoggerInterface
 {
     use LoggerTrait;
 
-    /**
-     * @var PluginLogManager
-     */
-    private $pluginLogManager;
-
-    public function __construct(PluginLogManager $pluginLogManager)
+    public function __construct(private PluginLogManager $pluginLogManager)
     {
-        $this->pluginLogManager = $pluginLogManager;
     }
 
     public function log($level, $message, array $context = []): void
diff --git a/plugins/backup-sync-dropbox/src/src/Utility/NmsSettings.php b/plugins/backup-sync-dropbox/src/src/Utility/NmsSettings.php
index ddcd33c2d..824af5b7a 100644
--- a/plugins/backup-sync-dropbox/src/src/Utility/NmsSettings.php
+++ b/plugins/backup-sync-dropbox/src/src/Utility/NmsSettings.php
@@ -4,26 +4,20 @@
 
 namespace BackupSyncDropbox\Utility;
 
+use BackupSyncDropbox\Service\UnmsApiDropbox;
 use DateTimeZone;
 use Exception;
-use Ubnt\UcrmPluginSdk\Service\UnmsApi;
 
 final class NmsSettings
 {
-    /**
-     * @var UnmsApi
-     */
-    private $unmsApi;
-
-    public function __construct(UnmsApi $unmsApi)
+    public function __construct(private UnmsApiDropbox $unmsApiDropbox)
     {
-        $this->unmsApi = $unmsApi;
     }
 
     public function getTimeZone(): DateTimeZone
     {
         try {
-            $nmsSettings = $this->unmsApi->get('nms/settings');
+            $nmsSettings = $this->unmsApiDropbox->get('nms/settings');
             $timeZone = is_array($nmsSettings)
                 ? ($nmsSettings['timezone'] ?? null)
                 : null;