diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3a9875b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/vendor/
+composer.lock
diff --git a/DataCollector/VCRDataCollector.php b/DataCollector/VCRDataCollector.php
index 40439de..34074c6 100644
--- a/DataCollector/VCRDataCollector.php
+++ b/DataCollector/VCRDataCollector.php
@@ -5,6 +5,7 @@
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\DataCollector\DataCollector;
+
 use VCR\VCRBundle\VCR\Logger;
 
 class VCRDataCollector extends DataCollector
@@ -16,7 +17,7 @@ public function __construct(Logger $logger)
         $this->logger = $logger;
     }
 
-    public function collect(Request $request, Response $response, \Throwable $exception = null)
+    public function collect(Request $request, Response $response, \Exception $exception = null)
     {
         $requests  = $this->logger->getHttpRequests();
         $playbacks = $this->logger->getPlaybacks();
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index ca2df35..01e8a88 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -17,8 +17,8 @@ public function __construct(array $factories = array())
 
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder('vcrvcr');
-        $rootNode = $treeBuilder->getRootNode();
+        $treeBuilder = new TreeBuilder();
+        $rootNode = $treeBuilder->root('vcrvcr');
 
         $this->addCassetteNode($rootNode);
 
diff --git a/VCRVCRBundle.php b/VCRVCRBundle.php
index 2cd6fdc..7a57408 100644
--- a/VCRVCRBundle.php
+++ b/VCRVCRBundle.php
@@ -5,8 +5,6 @@
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
 
-use VCR\VCRBundle\VCR\VCRFactory;
-
 class VCRVCRBundle extends Bundle
 {
     public function boot()
diff --git a/composer.json b/composer.json
index d163ad8..fb6f8a3 100644
--- a/composer.json
+++ b/composer.json
@@ -10,8 +10,13 @@
         }
     ],
     "require": {
-        "symfony/framework-bundle": "~3.0||~4.0||~5.0",
-        "php-vcr/php-vcr": "^1.5"
+        "php-vcr/php-vcr": "^1.2",
+        "symfony/config": "^2.6|^3|^4",
+        "symfony/dependency-injection": "^2.6|^3|^4",
+        "symfony/event-dispatcher": "^2.6|^3|^4",
+        "symfony/http-foundation": "^2.6|^3|^4",
+        "symfony/http-kernel": "^2.6|^3|^4",
+        "symfony/yaml": "^2.6|^3|^4"
     },
     "autoload": {
         "psr-4": {