diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
new file mode 100644
index 0000000..e001b83
--- /dev/null
+++ b/.github/workflows/tests.yaml
@@ -0,0 +1,85 @@
+name: Run Tests
+
+on:
+  push:
+    branches:
+      - gh-pages
+      - "**"
+
+jobs:
+  test:
+    name: Test - PHP ${{ matrix.php }} - ${{ matrix.setup }}
+    runs-on: ubuntu-latest
+
+    env:
+      CC_TEST_REPORTER_ID: a706e45a0731ff71fe03470fefba2e1469a856018f131d0aee0be3f26ec4fc16
+
+    strategy:
+      matrix:
+        php: [7.1, 7.2, 7.3, 7.4, 8.0, 8.1, 8.2, 8.3, 8.4]
+        setup: [lowest, stable]
+        include:
+          - php: nightly
+            setup: stable
+      fail-fast: false
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      - name: Set up PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          tools: composer
+          coverage: ${{ matrix.php == 8.4 && matrix.setup && 'pcov' || 'none' }}
+
+      - name: Get composer cache directory
+        id: composer-cache
+        shell: bash
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+      - name: Cache/Restore Composer
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: "php-${{ matrix.php }}-${{ matrix.setup }}-${{ matrix.os }}-${{ matrix.phpunit }}-${{ hashFiles('**/composer.json') }}"
+          restore-keys: "php-${{ matrix.php }}-${{ matrix.setup }}-${{ matrix.os }}-${{ matrix.phpunit }}-${{ hashFiles('**/composer.json') }}"
+
+      - name: Set PHPUnit version
+        if: matrix.php >= 8.1
+        run: composer require "phpunit/phpunit:^9.6.22" --no-update
+
+      - name: Install Dependencies
+        run: composer update --prefer-dist --prefer-${{ matrix.setup }} --no-interaction --no-suggest
+
+      - name: Run Tests with coverage
+        if: matrix.php == 8.4 && matrix.setup == 'stable'
+        run: vendor/bin/phpunit --coverage-clover=clover.xml --coverage-text --log-junit=test-results.xml
+
+      - name: Run Tests
+        if: matrix.php != 8.4 || matrix.setup != 'stable'
+        run: vendor/bin/phpunit --log-junit=test-results.xml
+
+      - name: Upload Test Results
+        if: matrix.php == 8.4 && matrix.setup == 'stable'
+        uses: actions/upload-artifact@v4
+        with:
+          name: "${{ matrix.php-version }}-phpunit-results"
+          path: test-results.xml
+
+      - name: Code Climate Test Reporter
+        if: matrix.php == 8.4 && matrix.setup == 'stable'
+        uses: aktions/codeclimate-test-reporter@v1
+        with:
+          codeclimate-test-reporter-id: ${{ secrets.CC_TEST_REPORTER_ID }}
+          command: after-build -t clover
+        env:
+          ACTIONS_ALLOW_UNSECURE_COMMANDS: true
+        continue-on-error: true
+
+      - name: Coverage
+        if: matrix.php == 8.4 && matrix.setup == 'stable'
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index eb2a1be..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,45 +0,0 @@
-language: php
-
-cache:
-  apt: true
-  directories:
-    - $HOME/.composer/cache
-
-sudo: false
-
-install:
-  - if [[ $setup = 'nightly' ]]; then travis_retry composer update --prefer-dist --no-interaction --no-suggest --ignore-platform-reqs; fi
-  - if [[ $setup = 'basic' ]]; then travis_retry composer update --prefer-dist --prefer-stable --no-interaction --no-suggest; fi
-
-before_script:
-  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
-  - chmod +x ./cc-test-reporter
-  - ./cc-test-reporter before-build
-
-script:
-  - vendor/bin/phpunit --coverage-clover=coverage.xml --coverage-text
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)
-
-after_script:
-  - cp coverage.xml clover.xml
-  - ./cc-test-reporter after-build --coverage-input-type clover --exit-code $TRAVIS_TEST_RESULT
-
-env:
-  global:
-    - setup=basic
-    - CC_TEST_REPORTER_ID=a706e45a0731ff71fe03470fefba2e1469a856018f131d0aee0be3f26ec4fc16
-
-branches:
-  only:
-    - gh-pages
-    - /.*/
-
-matrix:
-  include:
-    - php: '7.1'
-    - php: '7.2'
-    - php: '7.3'
-    - php: nightly
-      env: setup=nightly
diff --git a/composer.json b/composer.json
index 46c0dbc..52e48bc 100644
--- a/composer.json
+++ b/composer.json
@@ -14,10 +14,10 @@
     "require": {
         "php": "^7.1 || ^8.0",
         "simple-cli/simple-cli": "^1.1",
-        "nesbot/carbon": "^2.20"
+        "nesbot/carbon": "^2.72.6 || ^3.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.5 || ^8.2"
+        "phpunit/phpunit": "^7.5.20 || ^8.5.41 || ^9.6.22"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Carbon/Types/Generator.php b/src/Carbon/Types/Generator.php
index 0e52959..b52e598 100644
--- a/src/Carbon/Types/Generator.php
+++ b/src/Carbon/Types/Generator.php
@@ -3,6 +3,7 @@
 namespace Carbon\Types;
 
 use Carbon\Carbon;
+use Carbon\FactoryImmutable;
 use Closure;
 use ReflectionClass;
 use ReflectionException;
@@ -51,11 +52,19 @@ protected function getMethods($boots)
             $this->runBoot($boot);
         }
 
+        if (method_exists(FactoryImmutable::class, 'getDefaultInstance')) {
+            // Carbon 3
+            return FactoryImmutable::getDefaultInstance()->getSettings()['macros'] ?? [];
+        }
+
+        // @codeCoverageIgnoreStart
+        // Carbon 2
         $c = new ReflectionClass(Carbon::now());
         $macros = $c->getProperty('globalMacros');
         $macros->setAccessible(true);
 
         return $macros->getValue();
+        // @codeCoverageIgnoreEnd
     }
 
     /**
diff --git a/tests/Carbon/Types/GeneratorTest.php b/tests/Carbon/Types/GeneratorTest.php
index 8dd434d..4d9dd7d 100644
--- a/tests/Carbon/Types/GeneratorTest.php
+++ b/tests/Carbon/Types/GeneratorTest.php
@@ -58,8 +58,9 @@ public function testGetMethodSourceCode()
         $foo = new ReflectionMethod(get_class($object), 'foo');
 
         $sourceCode = $method->invoke($generator, $foo);
+        $match = (preg_match('/public function foo\(\)\s*\{\s*return \'hello\';/', $sourceCode) > 0);
 
-        $this->assertRegExp('/public function foo\(\)\s*\{\s*return \'hello\';/', $sourceCode);
+        $this->assertTrue($match, 'Source code must contain foo method returning "hello".');
     }
 
     /**