diff --git a/system/vendor/composer/installed.json b/system/vendor/composer/installed.json
index 98ccece..ffcc924 100644
--- a/system/vendor/composer/installed.json
+++ b/system/vendor/composer/installed.json
@@ -888,5 +888,56 @@
             "container",
             "dependency injection"
         ]
+    },
+    {
+        "name": "symfony/yaml",
+        "version": "v2.8.32",
+        "version_normalized": "2.8.32.0",
+        "source": {
+            "type": "git",
+            "url": "https://github.com/symfony/yaml.git",
+            "reference": "968ef42161e4bc04200119da473077f9e7015128"
+        },
+        "dist": {
+            "type": "zip",
+            "url": "https://api.github.com/repos/symfony/yaml/zipball/968ef42161e4bc04200119da473077f9e7015128",
+            "reference": "968ef42161e4bc04200119da473077f9e7015128",
+            "shasum": ""
+        },
+        "require": {
+            "php": ">=5.3.9"
+        },
+        "time": "2017-11-29T09:33:18+00:00",
+        "type": "library",
+        "extra": {
+            "branch-alias": {
+                "dev-master": "2.8-dev"
+            }
+        },
+        "installation-source": "dist",
+        "autoload": {
+            "psr-4": {
+                "Symfony\\Component\\Yaml\\": ""
+            },
+            "exclude-from-classmap": [
+                "/Tests/"
+            ]
+        },
+        "notification-url": "https://packagist.org/downloads/",
+        "license": [
+            "MIT"
+        ],
+        "authors": [
+            {
+                "name": "Fabien Potencier",
+                "email": "fabien@symfony.com"
+            },
+            {
+                "name": "Symfony Community",
+                "homepage": "https://symfony.com/contributors"
+            }
+        ],
+        "description": "Symfony Yaml Component",
+        "homepage": "https://symfony.com"
     }
 ]