diff --git a/CONTRIBUTING.md b/.github/CONTRIBUTING.md
similarity index 100%
rename from CONTRIBUTING.md
rename to .github/CONTRIBUTING.md
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 7351b0c..7f7164a 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -9,7 +9,7 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                php: [7.4, 7.3]
+                php: [8.0, 7.4, 7.3]
                 laravel: [5.8.*, 6.*, 7.*, 8.*]
                 dependency-version: [prefer-lowest, prefer-stable]
                 include:
@@ -26,16 +26,10 @@ jobs:
 
         steps:
             -   name: Checkout code
-                uses: actions/checkout@v1
-
-            -   name: Cache dependencies
-                uses: actions/cache@v1
-                with:
-                    path: ~/.composer/cache/files
-                    key: dependencies-laravel-${{ matrix.laravel }}-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}
+                uses: actions/checkout@v2
 
             -   name: Setup PHP
-                uses: shivammathur/setup-php@v1
+                uses: shivammathur/setup-php@v2
                 with:
                     php-version: ${{ matrix.php }}
                     extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv, imagick
@@ -44,7 +38,7 @@ jobs:
             -   name: Install dependencies
                 run: |
                     composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
-                    composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
+                    composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction
 
             -   name: Execute tests
                 run: vendor/bin/phpunit
diff --git a/README.md b/README.md
index fc108de..a6ac4f1 100644
--- a/README.md
+++ b/README.md
@@ -207,7 +207,7 @@ Please see [CHANGELOG](CHANGELOG.md) for more information on what has changed re
 
 ## Contributing
 
-Please see [CONTRIBUTING](CONTRIBUTING.md) for details.
+Please see [CONTRIBUTING](.github/CONTRIBUTING.md) for details.
 
 ## Security
 
diff --git a/composer.json b/composer.json
index 8fb84c2..e22ca26 100644
--- a/composer.json
+++ b/composer.json
@@ -19,14 +19,13 @@
         ],
     "license": "MIT",
     "require": {
-        "php": "^7.3",
+        "php": "^7.3|^8.0",
         "illuminate/database": "~5.8.0|^6.0|^7.0|^8.0",
         "illuminate/support": "~5.8.0|^6.0|^7.0|^8.0"
     },
     "require-dev": {
         "phpunit/phpunit" : "^8.0|^9.0",
-        "orchestra/testbench": "~3.8.0|^4.0|^5.0|^6.0",
-        "friendsofphp/php-cs-fixer": "^2.16"
+        "orchestra/testbench": "~3.8.0|^4.0|^5.0|^6.0"
     },
     "autoload": {
         "psr-4": {