diff --git a/composer.lock b/composer.lock
index 93a5d90b80b957323204294925c35c08e1903f5b..6ac85b56c4476370da1b85dceb0d61fc31cb399c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2024,29 +2024,32 @@
         },
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-            "version": "2.1.3",
+            "version": "2.2.0",
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                 "url": "https://github.com/phpmd/phpmd.git",
-                "reference": "1a485d9db869137af5e9678bd844568c92998b25"
+                "reference": "580e6ca75b472a844389ab8df7a0b412901d0d91"
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-                "reference": "1a485d9db869137af5e9678bd844568c92998b25",
+                "url": "https://api.github.com/repos/phpmd/phpmd/zipball/580e6ca75b472a844389ab8df7a0b412901d0d91",
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                 "php": ">=5.3.0",
-                "symfony/config": "2.5.*",
-                "symfony/dependency-injection": "2.5.*",
-                "symfony/filesystem": "2.5.*"
+                "symfony/config": ">=2.4",
+                "symfony/dependency-injection": ">=2.4",
+                "symfony/filesystem": ">=2.4"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "*"
             },
             "bin": [
                 "src/bin/phpmd"
             ],
-            "type": "library",
+            "type": "project",
             "autoload": {
                 "psr-0": {
                     "PHPMD\\": "src/main/php"
@@ -2056,8 +2059,29 @@
             "license": [
                 "BSD-3-Clause"
             ],
-            "description": "Official version of PHPMD handled with Composer.",
-            "time": "2014-09-25 15:56:22"
+            "authors": [
+                {
+                    "name": "Manuel Pichler",
+                    "email": "github@manuel-pichler.de",
+                    "homepage": "https://github.com/manuelpichler",
+                    "role": "Project founder"
+                },
+                {
+                    "name": "Other contributors",
+                    "homepage": "https://github.com/phpmd/phpmd/graphs/contributors",
+                    "role": "Contributors"
+                }
+            ],
+            "description": "PHPMD is a spin-off project of PHP Depend and aims to be a PHP equivalent of the well known Java tool PMD.",
+            "homepage": "http://phpmd.org/",
+            "keywords": [
+                "mess detection",
+                "mess detector",
+                "pdepend",
+                "phpmd",
+                "pmd"
+            ],
+            "time": "2015-01-25 13:46:59"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -2882,17 +2906,17 @@
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-            "version": "v2.5.9",
+            "version": "v2.6.3",
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                 "url": "https://github.com/symfony/Config.git",
-                "reference": "c7309e33b719433d5cf3845d0b5b9608609d8c8e"
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-                "reference": "c7309e33b719433d5cf3845d0b5b9608609d8c8e",
+                "url": "https://api.github.com/repos/symfony/Config/zipball/d94f222eff99a22ce313555b78642b4873418d56",
+                "reference": "d94f222eff99a22ce313555b78642b4873418d56",
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@@ -2902,7 +2926,7 @@
             "type": "library",
             "extra": {
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-                    "dev-master": "2.5-dev"
+                    "dev-master": "2.6-dev"
                 }
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             "autoload": {
@@ -2926,29 +2950,32 @@
             ],
             "description": "Symfony Config Component",
             "homepage": "http://symfony.com",
-            "time": "2015-01-03 08:01:13"
+            "time": "2015-01-03 08:01:59"
         },
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             "name": "symfony/dependency-injection",
-            "version": "v2.5.9",
+            "version": "v2.6.3",
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                 "url": "https://github.com/symfony/DependencyInjection.git",
-                "reference": "b04e6782962f8e3312274fd16fb6b37a8210a1c3"
+                "reference": "72db9adf2f6c42e773108038bcdaff263f325b4e"
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-                "reference": "b04e6782962f8e3312274fd16fb6b37a8210a1c3",
+                "url": "https://api.github.com/repos/symfony/DependencyInjection/zipball/72db9adf2f6c42e773108038bcdaff263f325b4e",
+                "reference": "72db9adf2f6c42e773108038bcdaff263f325b4e",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
+            "conflict": {
+                "symfony/expression-language": "<2.6"
+            },
             "require-dev": {
                 "symfony/config": "~2.2",
-                "symfony/expression-language": "~2.4,>=2.4.10",
+                "symfony/expression-language": "~2.6",
                 "symfony/yaml": "~2.1"
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             "suggest": {
@@ -2959,7 +2986,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.5-dev"
+                    "dev-master": "2.6-dev"
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             },
             "autoload": {
@@ -2983,7 +3010,7 @@
             ],
             "description": "Symfony DependencyInjection Component",
             "homepage": "http://symfony.com",
-            "time": "2015-01-05 08:51:41"
+            "time": "2015-01-05 17:41:06"
         },
         {
             "name": "symfony/event-dispatcher",
@@ -3045,17 +3072,17 @@
         },
         {
             "name": "symfony/filesystem",
-            "version": "v2.5.9",
+            "version": "v2.6.3",
             "target-dir": "Symfony/Component/Filesystem",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/Filesystem.git",
-                "reference": "d3c24d7d6e9c342008d8421b2fade460311647ea"
+                "reference": "a1f566d1f92e142fa1593f4555d6d89e3044a9b7"
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             "dist": {
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-                "url": "https://api.github.com/repos/symfony/Filesystem/zipball/d3c24d7d6e9c342008d8421b2fade460311647ea",
-                "reference": "d3c24d7d6e9c342008d8421b2fade460311647ea",
+                "url": "https://api.github.com/repos/symfony/Filesystem/zipball/a1f566d1f92e142fa1593f4555d6d89e3044a9b7",
+                "reference": "a1f566d1f92e142fa1593f4555d6d89e3044a9b7",
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@@ -3064,7 +3091,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.5-dev"
+                    "dev-master": "2.6-dev"
                 }
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             "autoload": {
@@ -3088,7 +3115,7 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "http://symfony.com",
-            "time": "2015-01-03 21:04:44"
+            "time": "2015-01-03 21:13:09"
         },
         {
             "name": "symfony/stopwatch",