diff --git a/composer.json b/composer.json
index ae25db15..90401f1e 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
         "monolog/monolog": "~1.0",
         "mtdowling/cron-expression": "~1.0",
         "nikic/fast-route": "0.4.*",
-        "symfony/http-kernel": "2.6.*",
+        "symfony/http-kernel": "2.7.*",
         "symfony/http-foundation": "2.7.*",
         "symfony/security-core": "2.7.*",
         "symfony/var-dumper": "2.7.*"
@@ -67,5 +67,7 @@
         "branch-alias": {
             "dev-master": "5.1-dev"
         }
-    }
+    },
+    "prefer-stable": true,
+    "minimum-stability": "dev"
 }
diff --git a/src/Application.php b/src/Application.php
index 96582406..a64fac11 100644
--- a/src/Application.php
+++ b/src/Application.php
@@ -353,7 +353,7 @@ public function abort($code, $message = '', array $headers = array())
      * @param  array   $parameters
      * @return mixed
      */
-    public function make($abstract, $parameters = [])
+    public function make($abstract, array $parameters = [])
     {
         if (array_key_exists($abstract, $this->availableBindings) &&
             ! array_key_exists($this->availableBindings[$abstract], $this->ranServiceBinders)) {