diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..f7b8104
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,13 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+    open-pull-requests-limit: 5
+  - package-ecosystem: composer
+    directory: /
+    schedule:
+      interval: monthly
+    open-pull-requests-limit: 5
+    versioning-strategy: widen
diff --git a/UPGRADE-2.0.md b/UPGRADE-2.0.md
new file mode 100644
index 0000000..41ca6c0
--- /dev/null
+++ b/UPGRADE-2.0.md
@@ -0,0 +1,5 @@
+# Upgrade from 1.x to 2.0
+
+- Minimum PHP is **8.2** (`^8.2`).
+- Requires `portphp/portphp` **^2.0**.
+- Symfony components: `^5.4 || ^6.0 || ^7.0 || ^8.0` (versions that run on PHP 8.2+).
diff --git a/composer.json b/composer.json
index 434dc97..7a526bd 100644
--- a/composer.json
+++ b/composer.json
@@ -19,15 +19,15 @@
     ],
     "support": {
         "issues": "https://github.com/portphp/portphp/issues",
-        "source": "https://github.com/portphp/boilerplate",
+        "source": "https://github.com/portphp/steps",
         "docs": "https://portphp.readthedocs.io"
     },
     "require": {
         "php": "^8.2",
-        "portphp/portphp": "^1.0.0",
+        "portphp/portphp": "^2.0",
         "seld/signal-handler": "^1.0 || ^2.0",
-        "symfony/property-access": "^2.3 || ^3.0 || ^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0",
-        "symfony/validator": "^2.5 || ^3.0 || ^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0",
+        "symfony/property-access": "^5.4 || ^6.0 || ^7.0 || ^8.0",
+        "symfony/validator": "^5.4 || ^6.0 || ^7.0 || ^8.0",
         "psr/log": "^1.0 || ^2.0 || ^3.0"
     },
     "autoload": {
@@ -35,11 +35,8 @@
             "Port\\Steps\\": "src/"
         }
     },
-    "conflict": {
-        "symfony/validator": "<2.5"
-    },
     "require-dev": {
-        "phpspec/phpspec": "^7.2 || ^8.0",
+        "phpspec/phpspec": "^8.0",
         "friends-of-phpspec/phpspec-code-coverage": "^6.1 || ^7.0"
     },
     "suggest": {
diff --git a/src/Step/ValidatorStep.php b/src/Step/ValidatorStep.php
index ab226c1..bc05dd8 100644
--- a/src/Step/ValidatorStep.php
+++ b/src/Step/ValidatorStep.php
@@ -101,7 +101,7 @@ public function process($item, callable $next)
         $this->line++;
 
         if (count($this->constraints) > 0) {
-            $constraints = new Constraints\Collection($this->constraints);
+            $constraints = $this->createCollectionConstraint();
             $list = $this->validator->validate($item, $constraints);
         } else {
             $list = $this->validator->validate($item);
@@ -120,6 +120,45 @@ public function process($item, callable $next)
         }
     }
 
+
+    /**
+     * Build a Collection constraint compatible with Symfony 5.4–8.
+     *
+     * Symfony 7+ uses a fields-first constructor; older versions use an options bag.
+     */
+    private function createCollectionConstraint(): Constraints\Collection
+    {
+        $fields = $this->constraints['fields'] ?? [];
+        $options = $this->constraints;
+        unset($options['fields']);
+
+        $constructor = (new \ReflectionClass(Constraints\Collection::class))->getConstructor();
+        $parameters = $constructor ? $constructor->getParameters() : [];
+        $first = $parameters[0] ?? null;
+
+        // Symfony 7+/8: first argument is $fields (field map), not an options array
+        if ($first && $first->getName() === 'fields') {
+            $allowed = [];
+            foreach ($parameters as $parameter) {
+                $allowed[$parameter->getName()] = true;
+            }
+            $named = ['fields' => $fields];
+            foreach ($options as $name => $value) {
+                if (!isset($allowed[$name])) {
+                    throw new \Symfony\Component\Validator\Exception\InvalidOptionsException(
+                        sprintf('The option "%s" does not exist in constraint "%s".', $name, Constraints\Collection::class),
+                        [$name]
+                    );
+                }
+                $named[$name] = $value;
+            }
+
+            return new Constraints\Collection(...$named);
+        }
+
+        return new Constraints\Collection(array_merge(['fields' => $fields], $options));
+    }
+
     /**
      * {@inheritdoc}
      */