diff --git a/composer.json b/composer.json
index 0027881..7b5d853 100644
--- a/composer.json
+++ b/composer.json
@@ -17,14 +17,14 @@
   ],
   "require": {
     "php": ">=7.2",
-    "endroid/qr-code": "^3.2",
+    "endroid/qr-code": "^5.0",
     "ext-gd": "*",
     "pablorsk/dx-php": "2.2.8"
   },
   "require-dev": {
-    "reyesoft/ci": "1.2.0",
-    "phpunit/phpunit": "^7",
-    "codedungeon/phpunit-result-printer": "0.19.10"
+    "reyesoft/ci": "1.4.6",
+    "phpunit/phpunit": "^9",
+    "codedungeon/phpunit-result-printer": "0.30.0"
   },
   "autoload": {
     "classmap": [
diff --git a/src/MercadoPagoPos.php b/src/MercadoPagoPos.php
index 79cdc3f..1cf7f16 100644
--- a/src/MercadoPagoPos.php
+++ b/src/MercadoPagoPos.php
@@ -31,7 +31,7 @@ class MercadoPagoPos
 
     public function __construct(string $pos_external_id = '')
     {
-        $this->qr_code = new QrCode();
+        $this->qr_code = new QrCode($pos_external_id);
         $this->data = new MercadoPagoPosData($pos_external_id);
         $this->pos = new Pos();
     }
@@ -87,9 +87,7 @@ public function getQrCode(string $collector_id = null): QrCode
             $collector_id = $this->getCollectorIdFromMp();
         }
 
-        $this->qr_code->setText(
-            'https://mercadopago.com/s/qr/' . $collector_id . '/' . $this->data->getExternalId()
-        );
+        $this->qr_code = new QrCode('https://mercadopago.com/s/qr/' . $collector_id . '/' . $this->data->getExternalId());
 
         return $this->qr_code;
     }
diff --git a/tests/MercadoPagoQrTest.php b/tests/MercadoPagoQrTest.php
index f230b21..9350d19 100644
--- a/tests/MercadoPagoQrTest.php
+++ b/tests/MercadoPagoQrTest.php
@@ -10,6 +10,7 @@
 
 namespace Tests;
 
+use Endroid\QrCode\Writer\PngWriter;
 use MercadoPago\SDK;
 use MercadoPagoQr\MercadoPagoPos;
 use PHPUnit\Framework\TestCase;
@@ -93,14 +94,19 @@ public function testCreateQr(): void
 
         $pos = new MercadoPagoPos('MyTestPos');
         $filename = __DIR__ . '/image/mercadopago-qr-code.png';
-        $pos->getQrCode()->writeFile($filename);
+
+        $qrCode = $pos->getQrCode();
+        $writer = new PngWriter();
+
+        $result = $writer->write($qrCode);
+        $result->saveToFile($filename);
 
         $file_content = file_get_contents($filename);
         static::assertNotFalse($file_content);
 
         $image = imagecreatefromstring($file_content);
 
-        static::assertInternalType('resource', $image);
+        static::assertIsResource($image);
     }
 
     /**