diff --git a/.php-version b/.php-version
index b8eb026..2983cad 100644
--- a/.php-version
+++ b/.php-version
@@ -1 +1 @@
-8.1
+8.2
diff --git a/composer.json b/composer.json
index 2b6bb97..905bcff 100644
--- a/composer.json
+++ b/composer.json
@@ -10,18 +10,18 @@
         }
     ],
     "require": {
-        "php": ">=8.1",
+        "php": ">=8.2",
         "ext-json": "*",
         "ext-mbstring": "*",
-        "giggsey/libphonenumber-for-php": "^8.12",
-        "symfony/form": "^6.0",
-        "symfony/framework-bundle": "^6.0",
-        "symfony/intl": "^6.0",
-        "symfony/twig-bundle": "^6.0",
-        "symfony/validator": "^6.0"
+        "giggsey/libphonenumber-for-php": "^8.13",
+        "symfony/form": "^7.0",
+        "symfony/framework-bundle": "^7.0",
+        "symfony/intl": "^7.0",
+        "symfony/twig-bundle": "^7.0",
+        "symfony/validator": "^7.0"
     },
     "require-dev": {
-        "kint-php/kint": "^4.0"
+        "kint-php/kint": "^5.0"
     },
     "config": {
         "sort-packages": true
@@ -38,7 +38,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "3.0.x-dev"
+            "dev-master": "4.0.x-dev"
         }
     }
 }
diff --git a/src/Form/PhoneNumberType.php b/src/Form/PhoneNumberType.php
index cd44aba..7a5aad8 100644
--- a/src/Form/PhoneNumberType.php
+++ b/src/Form/PhoneNumberType.php
@@ -21,7 +21,7 @@ public function __construct() {
     /**
      * {@inheritDoc}
      */
-    public function buildForm(FormBuilderInterface $builder, array $options) {
+    public function buildForm(FormBuilderInterface $builder, array $options): void {
         $builder
             ->add("country", ChoiceType::class, [
                 "label"             => false,
@@ -41,7 +41,7 @@ public function buildForm(FormBuilderInterface $builder, array $options) {
     /**
      * {@inheritDoc}
      */
-    public function configureOptions(OptionsResolver $resolver) {
+    public function configureOptions(OptionsResolver $resolver): void {
         $resolver->setDefaults([
             "countries"          => [],
             "countries_renderer" => null,
diff --git a/src/Validator/PhoneNumber.php b/src/Validator/PhoneNumber.php
index d8efc98..6d656ff 100644
--- a/src/Validator/PhoneNumber.php
+++ b/src/Validator/PhoneNumber.php
@@ -4,11 +4,7 @@
 
 use Symfony\Component\Validator\Constraint;
 
-/**
- * @Annotation
- * @Target({"PROPERTY", "METHOD", "ANNOTATION"})
- */
-#[\Attribute(\Attribute::TARGET_PROPERTY | \Attribute::TARGET_METHOD | \Attribute::IS_REPEATABLE)]
+#[\Attribute]
 class PhoneNumber extends Constraint {
     public string $message = "Phone number is not valid";
 }
diff --git a/src/Validator/PhoneNumberValidator.php b/src/Validator/PhoneNumberValidator.php
index 106e900..ee72406 100644
--- a/src/Validator/PhoneNumberValidator.php
+++ b/src/Validator/PhoneNumberValidator.php
@@ -8,7 +8,7 @@
 use Symfony\Component\Validator\ConstraintValidator;
 
 class PhoneNumberValidator extends ConstraintValidator {
-    public function validate($value, Constraint $constraint) {
+    public function validate($value, Constraint $constraint): void {
         $phoneNumberUtil = PhoneNumberUtil::getInstance();
 
         if (null === $value || "" === $value) {