diff --git a/src/Concise/Version.php b/src/Concise/Version.php
index 44811774..e25a2ee5 100644
--- a/src/Concise/Version.php
+++ b/src/Concise/Version.php
@@ -4,9 +4,26 @@
 
 class Version
 {
+    public function findVendorFolder()
+    {
+        $path = __DIR__;
+        for ($i = 0; $i < 10; ++$i) {
+            $dir = scandir($path);
+            if (in_array('vendor', $dir)) {
+                return "$path/vendor";
+            }
+            $path .= "/..";
+        }
+    }
+
     public function getVersionForPackage($packageName)
     {
-        $packages = json_decode(file_get_contents(__DIR__ . '/../../vendor/composer/installed.json'));
+        $vendor = $this->findVendorFolder(__DIR__);
+        if (!$vendor) {
+            return '';
+        }
+
+        $packages = json_decode(file_get_contents("$vendor/composer/installed.json"));
         foreach ($packages as $package) {
             if ($package->name === $packageName) {
                 return $package->version;
diff --git a/tests/Concise/VersionTest.php b/tests/Concise/VersionTest.php
index 982a25a6..3fd6efae 100644
--- a/tests/Concise/VersionTest.php
+++ b/tests/Concise/VersionTest.php
@@ -24,4 +24,17 @@ public function testWeCanEasilyGetTheConciseVersion()
     {
         $this->assert($this->version->getConciseVersion(), equals, $this->version->getVersionForPackage('elliotchance/concise'));
     }
+
+    public function testFindingVendorFolder()
+    {
+        $this->assert($this->version->findVendorFolder(), ends_with, '/vendor');
+    }
+
+    public function testReturnEmptyStringIfVendorFolderCannotBeFound()
+    {
+        $version = $this->niceMock('Concise\Version')
+                        ->stub('findVendorFolder')
+                        ->done();
+        $this->assert($version->getConciseVersion(), is_blank);
+    }
 }