diff --git a/.phpunit.result.cache b/.phpunit.result.cache
new file mode 100644
index 0000000..bf3b15f
--- /dev/null
+++ b/.phpunit.result.cache
@@ -0,0 +1 @@
+C:37:"PHPUnit\Runner\DefaultTestResultCache":720:{a:2:{s:7:"defects";a:0:{}s:5:"times";a:8:{s:57:"Lisennk\LaravelSlackEvents\Tests\ControllerTest::testFire";d:0.087;s:63:"Lisennk\LaravelSlackEvents\Tests\MiddlewareTest::testWrongToken";d:0.007;s:67:"Lisennk\LaravelSlackEvents\Tests\MiddlewareTest::testMiddlewarePass";d:0.003;s:68:"Lisennk\LaravelSlackEvents\Tests\MiddlewareTest::testUrlVerification";d:0.003;s:79:"Lisennk\LaravelSlackEvents\Tests\SlackEventsTest::testShouldCreateReactionAdded";d:0.003;s:80:"Lisennk\LaravelSlackEvents\Tests\SlackEventsTest::testShouldCreateChannelCreated";d:0.003;s:66:"Lisennk\LaravelSlackEvents\Tests\SlackEventsTest::testSetFromArray";d:0.002;s:68:"Lisennk\LaravelSlackEvents\Tests\SlackEventsTest::testSetFromRequest";d:0.002;}}}
\ No newline at end of file
diff --git a/composer.json b/composer.json
index b6fc8f2..9642dae 100644
--- a/composer.json
+++ b/composer.json
@@ -1,15 +1,16 @@
 {
     "name": "lisennk/laravel-slack-events-api",
-    "description": "Slack Events API for Laravel 5, 6 and 7",
+    "description": "Slack Events API for Laravel 5, 6, 7 and 8",
     "keywords": ["slack", "laravel", "api", "slack api", "slack events api", "events", "slack events"],
     "require": {
-        "illuminate/http": "^5.4||^6.2||^7.2",
-        "illuminate/support": "^5.4||^6.2||^7.2",
-        "illuminate/routing": "^5.4||^6.2||^7.2"
+        "illuminate/http": "^5.4||^6.2||^7.2||^8.0",
+        "illuminate/support": "^5.4||^6.2||^7.2||^8.0",
+        "illuminate/routing": "^5.4||^6.2||^7.2||^8.0",
+        "laravel/framework": "^8.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^4.7||^5.0||^8.0||^9.0",
-        "orchestra/testbench": "~3.0||^4.0||^5.1"
+        "orchestra/testbench": "~3.0||^4.0||^5.1||^6.0"
     },
     "autoload": {
         "psr-4": {