diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ffa6010c..cb8289b8 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,7 +14,10 @@ jobs:
       fail-fast: true
       matrix:
         php: [7.2, 7.3, 7.4]
-        laravel: [^6.0, ^7.0]
+        laravel: [^6.0, ^7.0, ^8.0]
+        exclude:
+          - php: 7.2
+            laravel: ^8.0
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }}
 
diff --git a/composer.json b/composer.json
index 5292fcba..ef4885ec 100644
--- a/composer.json
+++ b/composer.json
@@ -12,12 +12,12 @@
     "require": {
         "php": "^7.2",
         "guzzlehttp/guzzle": "^6.0|^7.0",
-        "illuminate/support": "^6.0|^7.0",
+        "illuminate/support": "^6.0|^7.0|^8.0",
         "symfony/console": "^4.3|^5.0",
         "symfony/process": "^4.3|^5.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.0"
+        "phpunit/phpunit": "^8.0|^9.0"
     },
     "suggest": {
         "ext-posix": "Required to determine the System user on Unix systems."