diff --git a/src/Eloquent/Connection.php b/src/Eloquent/Connection.php
index 5fd26b9..a9f6a9f 100644
--- a/src/Eloquent/Connection.php
+++ b/src/Eloquent/Connection.php
@@ -134,6 +134,13 @@ public function zohoUpsert(string $toTable, array $data, array|string $key): int
             $key = [$key];
         }
 
+        foreach ($data as $rowIndex => $row) {
+            foreach ($row as $field => $value) {
+                $row[$field] = $value instanceof \Stringable ? (string) $value : $value;
+            }
+            $data[$rowIndex] = $row;
+        }
+
         return $this->getClient()->importUpsert($toTable, $data, $key);
     }
 
diff --git a/src/Eloquent/ZohoModel.php b/src/Eloquent/ZohoModel.php
index 7efecb4..718c7f1 100644
--- a/src/Eloquent/ZohoModel.php
+++ b/src/Eloquent/ZohoModel.php
@@ -8,7 +8,6 @@
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Facades\Date;
 use Portable\EloquentZoho\Casts\ZohoInteger;
-use Portable\EloquentZoho\Eloquent\Query\Builder as QueryBuilder;
 
 abstract class ZohoModel extends Model
 {
@@ -26,24 +25,6 @@ public function __construct(array $attributes = [])
         $this->casts = array_merge($this->casts, ['id' => ZohoInteger::class]);
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function newEloquentBuilder($query)
-    {
-        return new Builder($query);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    protected function newBaseQueryBuilder()
-    {
-        $connection = $this->getConnection();
-
-        return new QueryBuilder($connection, $connection->getQueryGrammar(), $connection->getPostProcessor());
-    }
-
     /**
      * Get the current connection name for the model.
      *
diff --git a/src/Providers/ZohoServiceProvider.php b/src/Providers/ZohoServiceProvider.php
index f32a840..42a2e81 100644
--- a/src/Providers/ZohoServiceProvider.php
+++ b/src/Providers/ZohoServiceProvider.php
@@ -3,7 +3,8 @@
 namespace Portable\EloquentZoho\Providers;
 
 use Illuminate\Support\ServiceProvider;
-use Portable\EloquentZoho\Eloquent\Connection;
+use Portable\EloquentZoho\Eloquent\Connection as ZohoConnection;
+use Illuminate\Database\Connection;
 
 class ZohoServiceProvider extends ServiceProvider
 {
@@ -17,12 +18,8 @@ public function register(): void
             'eloquent-zoho'
         );
         // Add database driver.
-        $this->app->resolving('db', function ($db) {
-            $db->extend('zoho', function ($config, $name) {
-                $config['name'] = $name;
-
-                return new Connection($config);
-            });
+        Connection::resolverFor('zoho', function ($connection, $database, $prefix, $config) {
+            return new ZohoConnection($config);
         });
     }