diff --git a/composer.json b/composer.json
index b29057e..5e9d016 100644
--- a/composer.json
+++ b/composer.json
@@ -11,6 +11,8 @@
         "symfony/validator": "^5.4|^6.0"
     },
     "require-dev": {
+        "ext-intl": "*",
+        "ext-soap": "*",
         "phpunit/phpunit": "^10.0"
     },
     "autoload": {
diff --git a/src/Resources/config/services.xml b/src/Resources/config/services.xml
index 45c4a32..b54668e 100644
--- a/src/Resources/config/services.xml
+++ b/src/Resources/config/services.xml
@@ -19,6 +19,9 @@
         <service id="ibericode_vat.geolocator" class="Ibericode\Vat\Geolocator">
             <argument key="$service">%ibericode_vat.geolocator.service%</argument>
         </service>
+        <service id="Ibericode\Vat\Bundle\Validator\Constraints\VatNumberValidator">
+            <argument key="$validator">%ibericode_vat.validator%</argument>
+        </service>
 
         <!-- autowiring class names -->
         <service id="Ibericode\Vat\Countries" alias="ibericode_vat.countries" />
diff --git a/src/Validator/Constraints/VatNumberValidator.php b/src/Validator/Constraints/VatNumberValidator.php
index 95b1caa..920c83a 100644
--- a/src/Validator/Constraints/VatNumberValidator.php
+++ b/src/Validator/Constraints/VatNumberValidator.php
@@ -12,6 +12,10 @@
 
 class VatNumberValidator extends ConstraintValidator
 {
+    public function __construct(private Validator $validator = new Validator())
+    {
+    }
+
     public function validate(mixed $value, Constraint $constraint) : void
     {
         if (!$constraint instanceof VatNumber) {
@@ -28,10 +32,9 @@ public function validate(mixed $value, Constraint $constraint) : void
             throw new UnexpectedValueException($value, 'string');
         }
 
-        $validator = new Validator();
         if ($constraint->checkExistence) {
             try {
-                $valid = $validator->validateVatNumber($value);
+                $valid = $this->validator->validateVatNumber($value);
             } catch (ViesException $e) {
                 // ignore VIES VAT exceptions (when the service is down)
                 // this could mean that an unexisting VAT number passes validation,
@@ -39,7 +42,7 @@ public function validate(mixed $value, Constraint $constraint) : void
                 $valid = true;
             }
         } else {
-            $valid = $validator->validateVatNumberFormat($value);
+            $valid = $this->validator->validateVatNumberFormat($value);
         }
 
         if (false === $valid) {
diff --git a/tests/DependencyInjection/VatExtensionTest.php b/tests/DependencyInjection/VatExtensionTest.php
index 8dbe42c..d0f8482 100644
--- a/tests/DependencyInjection/VatExtensionTest.php
+++ b/tests/DependencyInjection/VatExtensionTest.php
@@ -2,6 +2,7 @@
 
 namespace Ibericode\Vat\Bundle\Tests\DependencyInjection;
 
+use Ibericode\Vat\Bundle\Validator\Constraints\VatNumberValidator;
 use Ibericode\Vat\Countries;
 use Ibericode\Vat\Geolocator;
 use Ibericode\Vat\Rates;
@@ -26,5 +27,6 @@ public function testDefault()
         $this->assertTrue($container->has(Rates::class), 'Rates class is wired');
         $this->assertTrue($container->has(Validator::class), 'Validator class is wired');
         $this->assertTrue($container->has(Geolocator::class), 'Geolocator class is wired');
+        $this->assertTrue($container->has(VatNumberValidator::class), 'VatNumberValidator class is wired');
     }
 }
\ No newline at end of file