diff --git a/composer.json b/composer.json
index f46ae02..c700076 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,8 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.15",
-        "phpunit/phpunit": "^7.5"
+        "phpunit/phpunit": "^7.5",
+        "symfony/var-dumper": "^4.3"
     },
     "autoload": {
         "files": ["src/helpers.php"]
diff --git a/src/helpers.php b/src/helpers.php
index 338a337..425ba50 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -1,5 +1,13 @@
 <?php
 
+if (!function_exists('dd')) {
+    function dd(): void
+    {
+        dump(func_get_args());
+        die;
+    }
+}
+
 if (!function_exists('env')) {
     function env(string $name, ?string $default = null): ?string
     {