diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ea3836..8d89e00 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,13 +12,17 @@ on:
 
 jobs:
   pest:
-    name: Tests (Pest)
+    name: Tests (Pest) L${{ matrix.laravel }}
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+      matrix:
+        laravel: [9, 8]
 
     steps:
     - uses: actions/checkout@v2
     - name: Install composer dependencies
-      run: composer install
+      run: composer require "illuminate/support:^${{ matrix.laravel }}.0"
     - name: Run tests
       run: vendor/bin/pest
 
diff --git a/composer.json b/composer.json
index da6c065..9ba3a5d 100644
--- a/composer.json
+++ b/composer.json
@@ -19,11 +19,13 @@
     },
     "require": {
         "php": "^8.0",
-        "illuminate/support": "^8.24"
+        "illuminate/support": "^8.24|^9.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^6.9",
+        "orchestra/testbench": "^6.9|^7.0",
         "pestphp/pest": "^1.2",
         "pestphp/pest-plugin-laravel": "^1.0"
-    }
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }