diff --git a/composer.json b/composer.json
index 57a3b0f..a8de123 100644
--- a/composer.json
+++ b/composer.json
@@ -23,14 +23,14 @@
         }
     ],
     "require": {
-        "php": "^7.0|^8.0",
-        "illuminate/support": "6.*|7.*|8.*"
+        "php": "^7.0|^8.0|^8.1",
+        "illuminate/support": "6.*|7.*|8.*|9.*"
 
     },
     "require-dev": {
-        "phpunit/phpunit": "~6.0|7.0.*",
-        "laravel/framework": "6.*|7.*|8.*",
-        "squizlabs/php_codesniffer": "^2.3"
+        "phpunit/phpunit": "~6.0|7.0.*|8.0.*|9.0.*",
+        "laravel/framework": "6.*|7.*|8.*|9.*",
+        "squizlabs/php_codesniffer": "^3.6"
     },
     "autoload": {
         "psr-4": {
diff --git a/tests/DemoTest.php b/tests/DemoTest.php
index f86c1c3..02c052b 100644
--- a/tests/DemoTest.php
+++ b/tests/DemoTest.php
@@ -1,8 +1,8 @@
 <?php
-// use PHPUnit\Framework\TestCase;
+ use PHPUnit\Framework\TestCase;
 // use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
 
-class DemoTest extends PHPUnit_Framework_TestCase
+class DemoTest extends TestCase
 {
     public function testSomethingIsTrue()
     {