diff --git a/.gitignore b/.gitignore
index 9f11b75..61f95bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,6 @@
+# IntelliJ
 .idea/
+
+# Composer
+vendor/
+composer.phar
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..2bbddbe
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,21 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
+    ],
+    "hash": "839d92eeb39e32dd86e49a1ae7da1028",
+    "content-hash": "470ef7155ec3094dd7625e69e1fc11c4",
+    "packages": [],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {
+        "php": ">=5.5.0",
+        "ext-openssl": "*"
+    },
+    "platform-dev": []
+}
diff --git a/tests/index.php b/tests/index.php
index a06e15b..e130fcb 100644
--- a/tests/index.php
+++ b/tests/index.php
@@ -27,11 +27,11 @@ ini_set('assert.exception', 1);
 
 header('Content-type: text/html; charset=utf-8');
 
+require __DIR__.'/../vendor/autoload.php';
+
 $db = new PDO('mysql:dbname=php_auth;host=127.0.0.1;charset=utf8mb4', 'root', '');
 $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
 
-require __DIR__.'/../src/Auth.php';
-
 $auth = new \Delight\Auth\Auth($db);
 
 $result = processRequestData($auth);