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diff --git a/vendor/symfony/dependency-injection/Config/ContainerParametersResourceChecker.php b/vendor/symfony/dependency-injection/Config/ContainerParametersResourceChecker.php
new file mode 100644
index 000000000..6ed77e3fd
--- /dev/null
+++ b/vendor/symfony/dependency-injection/Config/ContainerParametersResourceChecker.php
@@ -0,0 +1,52 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Config;
+
+use Symfony\Component\Config\Resource\ResourceInterface;
+use Symfony\Component\Config\ResourceCheckerInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
+ */
+class ContainerParametersResourceChecker implements ResourceCheckerInterface
+{
+    /** @var ContainerInterface */
+    private $container;
+
+    public function __construct(ContainerInterface $container)
+    {
+        $this->container = $container;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supports(ResourceInterface $metadata)
+    {
+        return $metadata instanceof ContainerParametersResource;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isFresh(ResourceInterface $resource, $timestamp)
+    {
+        foreach ($resource->getParameters() as $key => $value) {
+            if (!$this->container->hasParameter($key) || $this->container->getParameter($key) !== $value) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}