diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d0c8cfb9..7b2eb4dc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -5,17 +5,25 @@ on:
   push:
     branches: [main, next, ci]
     paths-ignore: ['dist/**', '*.md']
+concurrency:
+  group: ${{ github.ref_name }}
+  cancel-in-progress: true
 jobs:
   test:
-    name: ${{ matrix.os[0] }}, PHP ${{ matrix.php }}, Laravel ${{ matrix.laravel }}, prefer-${{ matrix.dependencies }}
+    name: ${{ matrix.os[0] }}, PHP ${{ matrix.php }}, Laravel ${{ matrix.laravel }}
     runs-on: ${{ matrix.os[1] }}
     continue-on-error: ${{ matrix.php == 8.3 }}
     strategy:
       matrix:
         os: [[Ubuntu, ubuntu-latest], [Windows, windows-latest]]
-        php: [8.1, 8.2]
-        laravel: [9.*, 10.*]
-        dependencies: [lowest, highest]
+        php: [8.1, 8.2, 8.3]
+        laravel: [9, 10, 11]
+        exclude:
+          - php: 8.1
+            laravel: 11
+        include:
+          - php: 8.3
+            composer: --ignore-platform-req=php+
     steps:
       - uses: actions/checkout@v4
       - uses: shivammathur/setup-php@v2
@@ -24,12 +32,12 @@ jobs:
           extensions: fileinfo
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           cache: 'npm'
+      - run: composer require laravel/framework:"${{ matrix.laravel }}.*" --no-update --no-interaction
       - uses: ramsey/composer-install@v2
         with:
-          dependency-versions: ${{ matrix.dependencies }}
-          composer-options: ${{ matrix.php == 8.3 && '--ignore-platform-req=php+' || '' }}
+          composer-options: ${{ matrix.composer }}
       - run: vendor/bin/phpunit --testdox --colors=always
       - run: npm ci && npm run build
       - run: npm run test
diff --git a/README.md b/README.md
index 436f3768..88ddf42b 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,6 @@
 
 Ziggy provides a JavaScript `route()` function that works like Laravel's, making it a breeze to use your named Laravel routes in JavaScript.
 
-Ziggy supports all versions of Laravel from `5.4` onward, and all modern browsers.
-
 - [**Installation**](#installation)
 - [**Usage**](#usage)
     - [`route()` function](#route-function)
diff --git a/composer.json b/composer.json
index 98e65f8a..342c2c03 100644
--- a/composer.json
+++ b/composer.json
@@ -24,13 +24,13 @@
         }
     ],
     "require": {
-        "php": "~8.1.0",
+        "php": ">=8.1",
         "ext-json": "*",
-        "laravel/framework": "^9.0"
+        "laravel/framework": ">=9.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^7.0",
-        "phpunit/phpunit": "^9.0"
+        "orchestra/testbench": "^7.0 || ^8.0 || ^9.0",
+        "phpunit/phpunit": "^9.5 || ^10.3"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/BladeRouteGenerator.php b/src/BladeRouteGenerator.php
index 795f103f..f1b1cea9 100644
--- a/src/BladeRouteGenerator.php
+++ b/src/BladeRouteGenerator.php
@@ -35,6 +35,6 @@ private function generateMergeJavascript(Ziggy $ziggy, $nonce)
 
     private function getRouteFunction()
     {
-        return config('ziggy.skip-route-function') ? '' : file_get_contents(__DIR__ . '/../dist/index.js');
+        return config('ziggy.skip-route-function') ? '' : file_get_contents(__DIR__ . '/../dist/route.umd.js');
     }
 }
diff --git a/src/Output/Types.php b/src/Output/Types.php
index 45ba303c..5b7a8fd2 100644
--- a/src/Output/Types.php
+++ b/src/Output/Types.php
@@ -1,10 +1,10 @@
 <?php
 
-namespace Tightenco\Ziggy\Output;
+namespace Tighten\Ziggy\Output;
 
 use Illuminate\Support\Arr;
 use Stringable;
-use Tightenco\Ziggy\Ziggy;
+use Tighten\Ziggy\Ziggy;
 
 class Types implements Stringable
 {
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 0f0f7072..cd7d7c4e 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -4,19 +4,11 @@
 
 use Closure;
 use Orchestra\Testbench\TestCase as OrchestraTestCase;
-use PHPUnit\Framework\Constraint\StringContains;
 use Tighten\Ziggy\Ziggy;
 use Tighten\Ziggy\ZiggyServiceProvider;
 
 class TestCase extends OrchestraTestCase
 {
-    public static function assertStringContainsString(string $needle, string $haystack, string $message = ''): void
-    {
-        $constraint = new StringContains($needle, false);
-
-        static::assertThat($haystack, $constraint, $message);
-    }
-
     protected function tearDown(): void
     {
         Ziggy::clearRoutes();
@@ -29,13 +21,6 @@ protected function getPackageProviders($app)
         return [ZiggyServiceProvider::class];
     }
 
-    protected function laravelVersion(int $v = null)
-    {
-        $version = (int) head(explode('.', app()->version()));
-
-        return isset($v) ? $version >= $v : $version;
-    }
-
     protected function noop(): Closure
     {
         return function () {
diff --git a/tests/Unit/CommandRouteGeneratorTest.php b/tests/Unit/CommandRouteGeneratorTest.php
index d38e4e47..520b4076 100644
--- a/tests/Unit/CommandRouteGeneratorTest.php
+++ b/tests/Unit/CommandRouteGeneratorTest.php
@@ -165,10 +165,6 @@ public function can_generate_dts_file()
     /** @test */
     public function can_generate_dts_file_with_scoped_bindings()
     {
-        if (! $this->laravelVersion(7)) {
-            $this->markTestSkipped('Requires Laravel >=7');
-        }
-
         app('router')->get('posts', $this->noop())->name('posts.index');
         app('router')->get('posts/{post}/comments/{comment:uuid}', PostCommentController::class)->name('postComments.show');
         app('router')->post('posts/{post}/comments', PostCommentController::class)->name('postComments.store');
@@ -197,7 +193,7 @@ public function can_generate_dts_file_without_routes()
         Artisan::call('ziggy:generate', ['--types-only' => true]);
 
         $this->assertFileExists(base_path('resources/js/ziggy.d.ts'));
-        $this->assertFileNotExists(base_path('resources/js/ziggy.js'));
+        $this->assertFileDoesNotExist(base_path('resources/js/ziggy.js'));
     }
 
     /** @test */
@@ -211,7 +207,7 @@ public function can_derive_dts_file_path_from_given_path()
         Artisan::call('ziggy:generate', ['--types-only' => true]);
 
         $this->assertFileExists(base_path('resources/js/custom.d.ts'));
-        $this->assertFileNotExists(base_path('resources/js/ziggy.d.ts'));
+        $this->assertFileDoesNotExist(base_path('resources/js/ziggy.d.ts'));
     }
 }
 
diff --git a/tests/Unit/RouteModelBindingTest.php b/tests/Unit/RouteModelBindingTest.php
index b67fc052..9ad92e17 100644
--- a/tests/Unit/RouteModelBindingTest.php
+++ b/tests/Unit/RouteModelBindingTest.php
@@ -38,15 +38,12 @@ protected function setUp(): void
         $router->get('replies/{reply}', function (Reply $reply) {
             return '';
         })->name('replies');
-
-        if ($this->laravelVersion(7)) {
-            $router->get('blog/{category}/{post:slug}', function (PostCategory $category, Post $post) {
-                return '';
-            })->name('posts');
-            $router->get('blog/{category}/{post:slug}/{tag:slug}', function (PostCategory $category, Post $post, Tag $tag) {
-                return '';
-            })->name('posts.tags');
-        }
+        $router->get('blog/{category}/{post:slug}', function (PostCategory $category, Post $post) {
+            return '';
+        })->name('posts');
+        $router->get('blog/{category}/{post:slug}/{tag:slug}', function (PostCategory $category, Post $post, Tag $tag) {
+            return '';
+        })->name('posts.tags');
 
         $router->getRoutes()->refreshNameLookups();
     }
@@ -128,10 +125,6 @@ public function can_handle_bound_and_unbound_parameters_in_the_same_route()
     /** @test */
     public function can_handle_multiple_scoped_bindings()
     {
-        if (! $this->laravelVersion(7)) {
-            $this->markTestSkipped('Requires Laravel >=7');
-        }
-
         $this->assertSame([
             'posts' => [
                 'uri' => 'blog/{category}/{post}',
@@ -158,10 +151,6 @@ public function can_handle_multiple_scoped_bindings()
     /** @test */
     public function can_merge_implicit_and_scoped_bindings()
     {
-        if (! $this->laravelVersion(7)) {
-            $this->markTestSkipped('Requires Laravel >=7');
-        }
-
         $this->assertSame([
             'users' => [
                 'uri' => 'users/{user}',
@@ -245,10 +234,6 @@ public function can_merge_implicit_and_scoped_bindings()
     /** @test */
     public function can_include_bindings_in_json()
     {
-        if (! $this->laravelVersion(7)) {
-            $this->markTestSkipped('Requires Laravel >=7');
-        }
-
         $json = '{"url":"http:\/\/ziggy.dev","port":null,"defaults":{},"routes":{"users":{"uri":"users\/{user}","methods":["GET","HEAD"],"parameters":["user"],"bindings":{"user":"uuid"}},"admins":{"uri":"admins\/{admin}","methods":["GET","HEAD"],"parameters":["admin"],"bindings":{"admin":"uuid"}},"tags":{"uri":"tags\/{tag}","methods":["GET","HEAD"],"parameters":["tag"],"bindings":{"tag":"id"}},"tokens":{"uri":"tokens\/{token}","methods":["GET","HEAD"],"parameters":["token"]},"users.numbers":{"uri":"users\/{user}\/{number}","methods":["GET","HEAD"],"parameters":["user","number"],"bindings":{"user":"uuid"}},"users.store":{"uri":"users","methods":["POST"]},"comments":{"uri":"comments\/{comment}","methods":["GET","HEAD"],"parameters":["comment"],"bindings":{"comment":"uuid"}},"replies":{"uri":"replies\/{reply}","methods":["GET","HEAD"],"parameters":["reply"],"bindings":{"reply":"uuid"}},"posts":{"uri":"blog\/{category}\/{post}","methods":["GET","HEAD"],"parameters":["category","post"],"bindings":{"category":"id","post":"slug"}},"posts.tags":{"uri":"blog\/{category}\/{post}\/{tag}","methods":["GET","HEAD"],"parameters":["category","post","tag"],"bindings":{"category":"id","post":"slug","tag":"slug"}}}}';
 
         $this->assertSame($json, (new Ziggy)->toJson());
diff --git a/tests/Unit/ZiggyTest.php b/tests/Unit/ZiggyTest.php
index f05ddba5..597ff4c9 100644
--- a/tests/Unit/ZiggyTest.php
+++ b/tests/Unit/ZiggyTest.php
@@ -19,31 +19,11 @@ protected function setUp(): void
         $router->get('posts/{post}/comments', $this->noop())->name('postComments.index');
         $router->post('posts', $this->noop())->middleware(['auth', 'role:admin'])->name('posts.store');
         $router->get('admin/users', $this->noop())->middleware(['role:admin'])->name('admin.users.index');
-
-        if ($this->laravelVersion(7)) {
-            $router->get('/posts/{post}/comments/{comment:uuid}', $this->noop())->name('postComments.show');
-        }
+        $router->get('/posts/{post}/comments/{comment:uuid}', $this->noop())->name('postComments.show');
 
         $router->getRoutes()->refreshNameLookups();
     }
 
-    /**
-     * If running Laravel 7 or higher, add the 'postComments.show' route.
-     */
-    protected function addPostCommentsRouteWithBindings(array &$routes): void
-    {
-        if ($this->laravelVersion(7)) {
-            $routes['postComments.show'] = [
-                'uri' => 'posts/{post}/comments/{comment}',
-                'methods' => ['GET', 'HEAD'],
-                'parameters' => ['post', 'comment'],
-                'bindings' => [
-                    'comment' => 'uuid',
-                ],
-            ];
-        }
-    }
-
     /** @test */
     public function can_filter_to_only_include_routes_matching_a_pattern()
     {
@@ -85,10 +65,16 @@ public function can_filter_to_exclude_routes_matching_a_pattern()
                 'methods' => ['GET', 'HEAD'],
                 'parameters' => ['post'],
             ],
+            'postComments.show' => [
+                'uri' => 'posts/{post}/comments/{comment}',
+                'methods' => ['GET', 'HEAD'],
+                'parameters' => ['post', 'comment'],
+                'bindings' => [
+                    'comment' => 'uuid',
+                ],
+            ],
         ];
 
-        $this->addPostCommentsRouteWithBindings($expected);
-
         $this->assertSame($expected, $routes->toArray()['routes']);
     }
 
@@ -133,10 +119,16 @@ public function can_set_excluded_routes_using_except_config()
                 'methods' => ['GET', 'HEAD'],
                 'parameters' => ['post'],
             ],
+            'postComments.show' => [
+                'uri' => 'posts/{post}/comments/{comment}',
+                'methods' => ['GET', 'HEAD'],
+                'parameters' => ['post', 'comment'],
+                'bindings' => [
+                    'comment' => 'uuid',
+                ],
+            ],
         ];
 
-        $this->addPostCommentsRouteWithBindings($expected);
-
         $this->assertSame($expected, $routes);
     }
 
@@ -176,10 +168,16 @@ public function returns_unfiltered_routes_when_both_only_and_except_configs_set(
                 'uri' => 'admin/users',
                 'methods' => ['GET', 'HEAD'],
             ],
+            'postComments.show' => [
+                'uri' => 'posts/{post}/comments/{comment}',
+                'methods' => ['GET', 'HEAD'],
+                'parameters' => ['post', 'comment'],
+                'bindings' => [
+                    'comment' => 'uuid',
+                ],
+            ],
         ];
 
-        $this->addPostCommentsRouteWithBindings($expected);
-
         $this->assertSame($expected, $routes);
     }
 
@@ -294,10 +292,16 @@ public function can_filter_routes_from_multiple_groups_using_negative_patterns()
                 'uri' => 'admin/users',
                 'methods' => ['GET', 'HEAD'],
             ],
+            'postComments.show' => [
+                'uri' => 'posts/{post}/comments/{comment}',
+                'methods' => ['GET', 'HEAD'],
+                'parameters' => ['post', 'comment'],
+                'bindings' => [
+                    'comment' => 'uuid',
+                ],
+            ],
         ];
 
-        $this->addPostCommentsRouteWithBindings($expected);
-
         $this->assertSame($expected, $routes);
     }
 
@@ -334,10 +338,16 @@ public function can_ignore_passed_group_not_set_in_config()
                 'uri' => 'admin/users',
                 'methods' => ['GET', 'HEAD'],
             ],
+            'postComments.show' => [
+                'uri' => 'posts/{post}/comments/{comment}',
+                'methods' => ['GET', 'HEAD'],
+                'parameters' => ['post', 'comment'],
+                'bindings' => [
+                    'comment' => 'uuid',
+                ],
+            ],
         ];
 
-        $this->addPostCommentsRouteWithBindings($expected);
-
         $this->assertSame($expected, $routes);
     }
 
@@ -376,10 +386,16 @@ public function can_include_middleware()
                 'methods' => ['GET', 'HEAD'],
                 'middleware' => ['role:admin'],
             ],
+            'postComments.show' => [
+                'uri' => 'posts/{post}/comments/{comment}',
+                'methods' => ['GET', 'HEAD'],
+                'parameters' => ['post', 'comment'],
+                'bindings' => [
+                    'comment' => 'uuid',
+                ],
+            ],
         ];
 
-        $this->addPostCommentsRouteWithBindings($expected);
-
         $this->assertEquals($expected, $routes);
     }
 
@@ -467,10 +483,16 @@ public function can_include_only_middleware_set_in_config()
                 'uri' => 'admin/users',
                 'methods' => ['GET', 'HEAD'],
             ],
+            'postComments.show' => [
+                'uri' => 'posts/{post}/comments/{comment}',
+                'methods' => ['GET', 'HEAD'],
+                'parameters' => ['post', 'comment'],
+                'bindings' => [
+                    'comment' => 'uuid',
+                ],
+            ],
         ];
 
-        $this->addPostCommentsRouteWithBindings($expected);
-
         $this->assertEquals($expected, $routes);
     }
 
@@ -510,22 +532,26 @@ public function can_order_fallback_routes_last()
                 'uri' => 'admin/users',
                 'methods' => ['GET', 'HEAD'],
             ],
-        ];
-
-        $this->addPostCommentsRouteWithBindings($expected);
-
-        $expected['users.index'] = [
-            'uri' => 'users',
-            'methods' => ['GET', 'HEAD'],
-        ];
-
-        $expected['fallback'] = [
-            'uri' => '{fallbackPlaceholder}',
-            'methods' => ['GET', 'HEAD'],
-            'wheres' => [
-                'fallbackPlaceholder' => '.*',
+            'postComments.show' => [
+                'uri' => 'posts/{post}/comments/{comment}',
+                'methods' => ['GET', 'HEAD'],
+                'parameters' => ['post', 'comment'],
+                'bindings' => [
+                    'comment' => 'uuid',
+                ],
+            ],
+            'users.index' => [
+                'uri' => 'users',
+                'methods' => ['GET', 'HEAD'],
+            ],
+            'fallback' => [
+                'uri' => '{fallbackPlaceholder}',
+                'methods' => ['GET', 'HEAD'],
+                'wheres' => [
+                    'fallbackPlaceholder' => '.*',
+                ],
+                'parameters' => ['fallbackPlaceholder'],
             ],
-            'parameters' => ['fallbackPlaceholder'],
         ];
 
         $this->assertSame($expected, $routes);
@@ -567,11 +593,17 @@ public function route_payload_can_array_itself()
                     'uri' => 'admin/users',
                     'methods' => ['GET', 'HEAD'],
                 ],
+                'postComments.show' => [
+                    'uri' => 'posts/{post}/comments/{comment}',
+                    'methods' => ['GET', 'HEAD'],
+                    'parameters' => ['post', 'comment'],
+                    'bindings' => [
+                        'comment' => 'uuid',
+                    ],
+                ],
             ],
         ];
 
-        $this->addPostCommentsRouteWithBindings($expected['routes']);
-
         $this->assertSame($expected, $ziggy->toArray());
     }
 
@@ -590,20 +622,18 @@ public function route_payload_can_json_itself()
                     'methods' => ['GET', 'HEAD'],
                     'parameters' => ['post'],
                 ],
+                'postComments.show' => [
+                    'uri' => 'posts/{post}/comments/{comment}',
+                    'methods' => ['GET', 'HEAD'],
+                    'parameters' => ['post', 'comment'],
+                    'bindings' => [
+                        'comment' => 'uuid',
+                    ],
+                ],
             ],
         ];
 
-        $this->addPostCommentsRouteWithBindings($expected['routes']);
-
-        $json = '{"url":"http:\/\/ziggy.dev","port":null,"defaults":{},"routes":{"postComments.index":{"uri":"posts\/{post}\/comments","methods":["GET","HEAD"],"parameters":["post"]}}}';
-
-        if ($this->laravelVersion(7)) {
-            $json = str_replace(
-                '}}}',
-                '},"postComments.show":{"uri":"posts\/{post}\/comments\/{comment}","methods":["GET","HEAD"],"parameters":["post","comment"],"bindings":{"comment":"uuid"}}}}',
-                $json,
-            );
-        }
+        $json = '{"url":"http:\/\/ziggy.dev","port":null,"defaults":{},"routes":{"postComments.index":{"uri":"posts\/{post}\/comments","methods":["GET","HEAD"],"parameters":["post"]},"postComments.show":{"uri":"posts\/{post}\/comments\/{comment}","methods":["GET","HEAD"],"parameters":["post","comment"],"bindings":{"comment":"uuid"}}}}';
 
         $this->assertSame($expected, json_decode(json_encode(new Ziggy), true));
         $this->assertSame($json, json_encode(new Ziggy));