diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2fbacc4..70ccfe9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php: [8.0, 8.1]
+                php: [7.4, 8.0, 8.1]
                 laravel: [8.*, 9.*]
                 dependency-version: [prefer-lowest, prefer-stable]
                 include:
@@ -18,6 +18,9 @@ jobs:
                       testbench: 6.*
                     - laravel: 9.*
                       testbench: 7.*
+                exclude:
+                  - laravel: 9.*
+                    php: 7.4
         name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }}
         steps:
             - uses: actions/checkout@v2
@@ -36,5 +39,7 @@ jobs:
               run: |
                   composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
                   composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
+            - name: Valdidate Dependencies are consistent
+              run: vendor/bin/monorepo-builder validate
             - name: Execute tests
               run: vendor/bin/phpunit --verbose
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 6e6fe3c..9176086 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
     "require": {
         "akaunting/laravel-money": "^1.2",
         "ext-pdo_sqlite": "*",
-        "illuminate/contracts": "^9.0",
+        "illuminate/contracts": "^8.0|^9.0",
         "illuminate/database": "^8.40|^9.0",
         "illuminate/support": "^8.0|^9.0",
         "php": "^8.0"
diff --git a/monorepo-builder.php b/monorepo-builder.php
index 3dc9ad8..8ad4ab6 100644
--- a/monorepo-builder.php
+++ b/monorepo-builder.php
@@ -20,10 +20,12 @@
             ],
         ],
         'require-dev' => [
-            'orchestra/testbench' => '^6.2',
+            'orchestra/testbench' => '^6.2|^7.0',
             'phpunit/phpunit' => '^9.4',
             'symplify/monorepo-builder' => '^9.0',
         ],
+        'minimum-stability' => 'dev',
+        'prefer-stable' => true
     ]);
 
     $parameters->set(Option::DATA_TO_REMOVE, [