diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3b68595..c1b3b48 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,32 +1,43 @@
-name: Run Tests
-on: [push, pull_request]
+name: run-tests
+
+on:
+  - push
+  - pull_request
 
 jobs:
-  run:
-    runs-on: ubuntu-latest
+  test:
+    runs-on: ${{ matrix.os }}
+
     strategy:
-      max-parallel: 15
       fail-fast: false
       matrix:
-        php-versions: ["7.3", "7.4", "8.0"]
-        composer-flags: ["--prefer-lowest", "--prefer-stable"]
-        env:
-          - LARAVEL_VERSION='^7.0'
-          - LARAVEL_VERSION='^8.0'
-    name: Test on PHP ${{ matrix.php-versions }}, Laravel ${{ matrix.laravel-versions }} and ${{ matrix.composer-flags }}
+        os: [ubuntu-latest]
+        php: [8.4, 8.3, 8.2]
+        laravel: [^12.0, ^11.0]
+        dependency-version: [prefer-lowest, prefer-stable]
+        include:
+          - laravel: ^11.0
+            testbench: ^9.0
+          - laravel: ^12.0
+            testbench: ^10.0
+
+    name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}
+
     steps:
-      - name: Checkout
-        uses: actions/checkout@master
-      - name: Install PHP
-        uses: shivammathur/setup-php@master
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
         with:
-          php-version: ${{ matrix.php-versions }}
-      - name: Install Dependencies
+          php-version: ${{ matrix.php }}
+          extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv, imagick
+          coverage: none
+
+      - name: Install dependencies
         run: |
-          ${{ matrix.env }}
-          composer config discard-changes true
-          composer self-update
-          composer require --dev "laravel/framework:${LARAVEL_VERSION}" --no-interaction --no-update
-          composer update ${{ matrix.composer-flags }} --prefer-dist --no-suggest --no-interaction
-      - name: Run PHPUnit
-        run: php vendor/bin/phpunit
+          composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
+          composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction
+
+      - name: Execute tests
+        run: vendor/bin/phpunit
diff --git a/.gitignore b/.gitignore
index da01334..40b5890 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /coverage
 /SCRATCH.md
 /REFACTORING.md
+.phpunit.result.cache
\ No newline at end of file
diff --git a/README.md b/README.md
index bff6c36..ef6158c 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,6 @@
 [![Latest Version on Packagist](https://img.shields.io/packagist/v/imliam/laravel-env-set-command.svg)](https://packagist.org/packages/imliam/laravel-env-set-command)
 [![Total Downloads](https://img.shields.io/packagist/dt/imliam/laravel-env-set-command.svg)](https://packagist.org/packages/imliam/laravel-env-set-command)
 [![License](https://img.shields.io/github/license/imliam/laravel-env-set-command.svg)](LICENSE.md)
-[![CI Status](https://github.com/imliam/laravel-env-set-command/workflows/Run%20Tests/badge.svg)](https://github.com/imliam/laravel-env-set-command/actions)
 
 Set a .env file variable from the command line.
 
diff --git a/composer.json b/composer.json
index a4cc4d7..9b7c3e3 100644
--- a/composer.json
+++ b/composer.json
@@ -20,12 +20,13 @@
         }
     ],
     "require": {
-        "php": "^7.3|^8.0",
-        "illuminate/support": "^7.0|^8.0",
-        "illuminate/console": "^7.0|^8.0"
+        "php": "^8.0",
+        "illuminate/support": "^11.0|^12.0",
+        "illuminate/console": "^11.0|^12.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.5|^8.0|^9.0",
+        "orchestra/testbench": "^9.0|^10.0",
+        "phpunit/phpunit": "^11.0",
         "roave/security-advisories": "dev-master"
     },
     "autoload": {
diff --git a/tests/Unit/EnvironmentSetCommandTest.php b/tests/Unit/EnvironmentSetCommandTest.php
index 8ae7067..2d26542 100644
--- a/tests/Unit/EnvironmentSetCommandTest.php
+++ b/tests/Unit/EnvironmentSetCommandTest.php
@@ -106,13 +106,12 @@ public function testAssertKeyIsValid(string $key, bool $isGood): void
     }
 
     /**
-     * @return array
      * @see EnvironmentSetCommandTest::testSetEnvVariable
      */
-    public function setEnvVariableDataProvider(): array
+    public static function setEnvVariableDataProvider(): array
     {
         // Unfortunately, we can't test nested key names using str_replace().
-        $envFileContent = $this->getTestEnvFile();
+        $envFileContent = static::getTestEnvFile();
         return [
             [
                 &$envFileContent,
@@ -194,12 +193,11 @@ public function setEnvVariableDataProvider(): array
     }
 
     /**
-     * @return array
      * @see EnvironmentSetCommandTest::testReadKeyValuePair
      */
-    public function readKeyValuePairDataProvider(): array
+    public static function readKeyValuePairDataProvider(): array
     {
-        $envFileContent = $this->getTestEnvFile();
+        $envFileContent = static::getTestEnvFile();
         return [
             [&$envFileContent, 'not_existed_key', null],
             [&$envFileContent, 'some_key', 'some_key=some_value'],
@@ -220,10 +218,9 @@ public function readKeyValuePairDataProvider(): array
     }
 
     /**
-     * @return array
      * @see EnvironmentSetCommandTest::testAssertKeyIsValid
      */
-    public function assertKeyIsValidDataProvider(): array
+    public static function assertKeyIsValidDataProvider(): array
     {
         return [
             // Wrong keys
@@ -246,10 +243,9 @@ public function assertKeyIsValidDataProvider(): array
     }
 
     /**
-     * @return array
      * @see EnvironmentSetCommandTest::testParseCommandArguments
      */
-    public function parseKeyValueArgumentsDataProvider(): array
+    public static function parseKeyValueArgumentsDataProvider(): array
     {
         return [
             // Normal syntax.
@@ -344,10 +340,7 @@ public function parseKeyValueArgumentsDataProvider(): array
         ];
     }
 
-    /**
-     * @return string
-     */
-    protected function getTestEnvFile(): string
+    protected static function getTestEnvFile(): string
     {
         return 'some_key=some_value' . "\n"
             . '   spaces_at_the_beginning_of_the_line=42442' . "\n"