diff --git a/Mage/Task/BuiltIn/Filesystem/LinkSharedFilesTask.php b/Mage/Task/BuiltIn/Filesystem/LinkSharedFilesTask.php
index 5d4346f..2682b86 100644
--- a/Mage/Task/BuiltIn/Filesystem/LinkSharedFilesTask.php
+++ b/Mage/Task/BuiltIn/Filesystem/LinkSharedFilesTask.php
@@ -4,7 +4,6 @@ namespace Mage\Task\BuiltIn\Filesystem;
 use Mage\Task\AbstractTask;
 use Mage\Task\Releases\IsReleaseAware;
 use Mage\Task\SkipException;
-use Symfony\Component\Filesystem\Filesystem;
 
 /**
  * Class LinkSharedFilesTask
@@ -75,13 +74,12 @@ class LinkSharedFilesTask extends AbstractTask implements IsReleaseAware
         $sharedFolderPath = $remoteDirectory . $this->getParameter('shared', 'shared');
         $releasesDirectoryPath = $remoteDirectory . $this->getConfig()->release('directory', 'releases');
         $currentCopy = $releasesDirectoryPath . '/' . $this->getConfig()->getReleaseId();
-        $fileSystem = new Filesystem();
 
         foreach ($linkedEntities as $ePath) {
             list($entityPath, $strategy) = $this->getPath($ePath);
             if ($strategy === self::RELATIVE_LINKING) {
                 $dirName = dirname($currentCopy . '/' . $entityPath);
-                $target = $fileSystem->makePathRelative($sharedFolderPath, $dirName) . $entityPath;
+                $target = $this->makePathRelative($sharedFolderPath, $dirName) . $entityPath;
             } else {
                 $target = $sharedFolderPath . '/' . $entityPath;
             }
@@ -94,6 +92,43 @@ class LinkSharedFilesTask extends AbstractTask implements IsReleaseAware
         return true;
     }
 
+    /**
+     * Given an existing path, convert it to a path relative to a given starting path
+     *
+     * @param string $endPath Absolute path of target
+     * @param string $startPath Absolute path where traversal begins
+     *
+     * @return string Path of target relative to starting path
+     *
+     * @author Fabien Potencier <fabien@symfony.com>
+     * @see https://github.com/symfony/Filesystem/blob/v2.6.1/Filesystem.php#L332
+     */
+    private function makePathRelative($endPath, $startPath)
+    {
+        // Normalize separators on Windows
+        if (defined('PHP_WINDOWS_VERSION_MAJOR')) {
+            $endPath = strtr($endPath, '\\', '/');
+            $startPath = strtr($startPath, '\\', '/');
+        }
+        // Split the paths into arrays
+        $startPathArr = explode('/', trim($startPath, '/'));
+        $endPathArr = explode('/', trim($endPath, '/'));
+        // Find for which directory the common path stops
+        $index = 0;
+        while (isset($startPathArr[$index]) && isset($endPathArr[$index]) && $startPathArr[$index] === $endPathArr[$index]) {
+            $index++;
+        }
+        // Determine how deep the start path is relative to the common path (ie, "web/bundles" = 2 levels)
+        $depth = count($startPathArr) - $index;
+        // Repeated "../" for each level need to reach the common path
+        $traverser = str_repeat('../', $depth);
+        $endPathRemainder = implode('/', array_slice($endPathArr, $index));
+        // Construct $endPath from traversing to the common path, then to the remaining $endPath
+        $relativePath = $traverser . (strlen($endPathRemainder) > 0 ? $endPathRemainder . '/' : '');
+
+        return (strlen($relativePath) === 0) ? './' : $relativePath;
+    }
+
     /**
      * @param array|string $linkedEntity
      *
diff --git a/composer.json b/composer.json
index 27ef259..2183c74 100644
--- a/composer.json
+++ b/composer.json
@@ -6,8 +6,7 @@
     "type": "library",
     "keywords": ["deployment"],
     "require": {
-        "php": ">=5.3",
-        "symfony/filesystem": ">=2.1.0,<=2.6.0"
+        "php": ">=5.3"
     },
     "require-dev": {
         "phpunit/phpunit": "4.3.5"
diff --git a/composer.lock b/composer.lock
index b341b73..bc2e079 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,56 +4,8 @@
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "61974b12f91cf9124bfd75a369d20ff8",
-    "packages": [
-        {
-            "name": "symfony/filesystem",
-            "version": "v2.6.0",
-            "target-dir": "Symfony/Component/Filesystem",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/Filesystem.git",
-                "reference": "6f7c7e42f20ee200d8ac5d2ec1d2a524138305e0"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Filesystem/zipball/6f7c7e42f20ee200d8ac5d2ec1d2a524138305e0",
-                "reference": "6f7c7e42f20ee200d8ac5d2ec1d2a524138305e0",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.3"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "2.6-dev"
-                }
-            },
-            "autoload": {
-                "psr-0": {
-                    "Symfony\\Component\\Filesystem\\": ""
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Symfony Community",
-                    "homepage": "http://symfony.com/contributors"
-                },
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                }
-            ],
-            "description": "Symfony Filesystem Component",
-            "homepage": "http://symfony.com",
-            "time": "2014-11-16 17:28:09"
-        }
-    ],
+    "hash": "a19528b890d301384e45c1ed7d221e26",
+    "packages": [],
     "packages-dev": [
         {
             "name": "doctrine/instantiator",