diff --git a/composer.json b/composer.json
index 855c273..4a653c9 100755
--- a/composer.json
+++ b/composer.json
@@ -9,9 +9,9 @@
         "guzzlehttp/guzzle": "^6.0|^7.0",
         "marc-mabe/php-enum": "^3.0|^4.3",
         "psr/log": "^1.0",
-        "symfony/http-kernel": "^4.4|^5.1.5",
-        "symfony/property-info": "^4.4|^5.0",
-        "symfony/serializer": "^4.4|^5.0",
+        "symfony/http-kernel": "^5.4|^6.0",
+        "symfony/property-info": "^5.4|^6.0",
+        "symfony/serializer": "^5.4|^6.0",
         "webmozart/assert": "^1.3"
     },
     "require-dev": {
@@ -22,7 +22,7 @@
         "phpstan/phpstan-webmozart-assert": "^1.0",
         "phpunit/phpunit": "^9.5",
         "roave/security-advisories": "dev-master",
-        "symfony/phpunit-bridge": "^5.3"
+        "symfony/phpunit-bridge": "6.1.*"
     },
     "autoload": {
         "psr-4": {
@@ -48,6 +48,9 @@
         }
     },
     "config": {
-        "sort-packages": true
+        "sort-packages": true,
+        "allow-plugins": {
+            "phpro/grumphp": true
+        }
     }
 }
diff --git a/src/Serializer/Normalizer/EnumNormalizer.php b/src/Serializer/Normalizer/EnumNormalizer.php
index d53dc5c..0a3e23d 100644
--- a/src/Serializer/Normalizer/EnumNormalizer.php
+++ b/src/Serializer/Normalizer/EnumNormalizer.php
@@ -23,12 +23,12 @@ public function normalize($object, $format = null, array $context = [])
         return $object->getValue();
     }
 
-    public function supportsNormalization($data, $format = null): bool
+    public function supportsNormalization($data, $format = null, array $context = []): bool
     {
         return $data instanceof Enum;
     }
 
-    public function supportsDenormalization($data, $type, $format = null): bool
+    public function supportsDenormalization($data, $type, $format = null, array $context = []): bool
     {
         try {
             $type::get($data);