diff --git a/composer.json b/composer.json
index ef0c353..a6f7db8 100644
--- a/composer.json
+++ b/composer.json
@@ -27,13 +27,13 @@
     },
     "minimum-stability": "stable",  
     "require": {
-        "illuminate/validation": "^5.0|^6.0|^7.0",
-        "illuminate/support": "^5.0|^6.0|^7.0",
+        "illuminate/validation": "^5.0|^6.0|^7.0|^8.0",
+        "illuminate/support": "^5.0|^6.0|^7.0|^8.0",
         "php": "^5.5.9|^7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^4.8|^5.0|^6.0|^7.0|^8.0",
-        "orchestra/testbench": "^3.2"
+        "phpunit/phpunit": "^4.8|^5.0|^6.0|^7.0|^8.0|^9.0",
+        "orchestra/testbench": "^6.3"
     },
     "suggest": {
     }
diff --git a/tests/TestCase.php b/tests/TestCase.php
index cde5b75..59faa0e 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -9,12 +9,12 @@ class TestCase extends Orchestra
     /**
      * Setup the test environment.
      */
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         parent::tearDown();
     }