diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 777d838..2e641b8 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -10,9 +10,11 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         php: [7.4]
-        laravel: [7.*, 6.*]
+        laravel: [8.*, 7.*, 6.*]
         dependency-version: [prefer-lowest, prefer-stable]
         include:
+          - laravel: 8.*
+            testbench: 6.*
           - laravel: 7.*
             testbench: 5.*
           - laravel: 6.*
@@ -63,4 +65,4 @@ jobs:
         run: vendor/bin/php-stan-test
 
       - name: php-mn-test
-        run: vendor/bin/php-mn-test ./src
\ No newline at end of file
+        run: vendor/bin/php-mn-test ./src
diff --git a/composer.json b/composer.json
index 52cb470..044d53b 100644
--- a/composer.json
+++ b/composer.json
@@ -21,12 +21,12 @@
     "php": "^7.4",
     "ext-json": "*",
     "astrotomic/laravel-guzzle": "^2.1",
-    "illuminate/cache": "^6.0 || ^7.0",
-    "illuminate/support": "^6.0 || ^7.0"
+    "illuminate/cache": "^6.0 || ^7.0 || ^8.0",
+    "illuminate/support": "^6.0 || ^7.0 || ^8.0"
   },
   "require-dev": {
     "bamarni/composer-bin-plugin": "^1.3",
-    "orchestra/testbench": "^4.0 || ^5.0",
+    "orchestra/testbench": "^4.0 || ^5.0 || ^6.0",
     "phpunit/phpunit": "^8.0 || ^9.0"
   },
   "config": {