diff --git a/src/Kernel.php b/src/Kernel.php
index 779cd1f..ad0fb48 100644
--- a/src/Kernel.php
+++ b/src/Kernel.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace App;
 
 use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 469dcce..d4aecb0 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,11 +1,13 @@
 <?php
 
+declare(strict_types=1);
+
 use Symfony\Component\Dotenv\Dotenv;
 
-require dirname(__DIR__).'/vendor/autoload.php';
+require dirname(__DIR__) . '/vendor/autoload.php';
 
-if (file_exists(dirname(__DIR__).'/config/bootstrap.php')) {
-    require dirname(__DIR__).'/config/bootstrap.php';
+if (file_exists(dirname(__DIR__) . '/config/bootstrap.php')) {
+    require dirname(__DIR__) . '/config/bootstrap.php';
 } elseif (method_exists(Dotenv::class, 'bootEnv')) {
-    (new Dotenv())->bootEnv(dirname(__DIR__).'/.env');
+    (new Dotenv())->bootEnv(dirname(__DIR__) . '/.env');
 }