diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
index 8c85584..1db2ef7 100644
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -1,3 +1,3 @@
 # These are supported funding model platforms
-
-custom: ["https://miladrahimi.com/pay.html"]
+github: miladrahimi
+custom: ["https://miladrahimi.com/pay.html", "https://www.paypal.com/paypalme/realmiladrahimi"]
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..2620463
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,27 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  run:
+    strategy:
+      matrix:
+        include:
+          - php: '7.4'
+          - php: '8.0'
+          - php: '8.1'
+          - php: '8.2'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "${{ matrix.php }}"
+      - name: Install dependencies
+        run: composer self-update && composer install && composer dump-autoload
+      - name: Run tests and collect coverage
+        run: vendor/bin/phpunit --coverage-clover coverage.xml .
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4-beta
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index d317df6..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-sudo: required
-
-language: php
-
-php:
-  - 7.4
-  - 8.0
-  - 8.1
-
-branches:
-  only:
-  - master
-
-before_script:
-  - composer install --no-interaction --no-suggest
-  - composer require php-coveralls/php-coveralls
-
-script:
-  - mkdir -p build/logs
-  - vendor/bin/phpunit --coverage-clover build/logs/clover.xml tests
-
-after_success:
-  - travis_retry php vendor/bin/php-coveralls -v
-
-notifications:
-  email:
-    recipients:
-      - info@miladrahimi.com
-    on_success: change
-    on_failure: always
diff --git a/composer.json b/composer.json
index fb54cf7..519909f 100644
--- a/composer.json
+++ b/composer.json
@@ -16,21 +16,21 @@
   "authors": [
     {
       "name": "Milad Rahimi",
-      "email": "info@miladrahimi.com",
+      "email": "i@miladrahimi.com",
       "homepage": "https://miladrahimi.com",
       "role": "Developer"
     }
   ],
   "support": {
-    "email": "info@miladrahimi.com",
+    "email": "i@miladrahimi.com",
     "source": "https://github.com/miladrahimi/phprouter/issues"
   },
   "require": {
-    "php": ">=7.1",
+    "php": ">=7.4",
     "ext-json": "*",
     "ext-mbstring": "*",
     "laminas/laminas-diactoros": "^2.2",
-    "miladrahimi/phpcontainer": "^5.3.1"
+    "miladrahimi/phpcontainer": "^5.3.3"
   },
   "require-dev": {
     "phpunit/phpunit": "^7|^8|^9"
diff --git a/phpunit.xml b/phpunit.xml
index e52954f..1458cd9 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,16 +1,18 @@
-<phpunit backupGlobals="false" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true">
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" colors="true"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+    <coverage processUncoveredFiles="true">
+        <include>
+            <directory suffix=".php">./src</directory>
+        </include>
+        <report>
+            <clover outputFile="build/logs/clover.xml"/>
+        </report>
+    </coverage>
     <testsuites>
         <testsuite name="main">
             <directory>./tests</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
-            <directory suffix=".php">./src</directory>
-        </whitelist>
-    </filter>
-    <logging>
-        <log type="coverage-clover" target="build/logs/clover.xml"/>
-    </logging>
+    <logging/>
 </phpunit>
diff --git a/src/Dispatching/Caller.php b/src/Dispatching/Caller.php
index 2c39bee..aabe06d 100644
--- a/src/Dispatching/Caller.php
+++ b/src/Dispatching/Caller.php
@@ -10,23 +10,12 @@
 use Psr\Http\Message\ServerRequestInterface;
 
 /**
- * Class Caller
  * It calls (runs) middleware and controllers
- *
- * @package MiladRahimi\PhpRouter\Dispatching
  */
 class Caller
 {
-    /**
-     * @var Container
-     */
-    private $container;
+    private Container $container;
 
-    /**
-     * Constructor
-     *
-     * @param Container $container
-     */
     public function __construct(Container $container)
     {
         $this->container = $container;
@@ -75,13 +64,13 @@ public function call($callable)
 
             [$class, $method] = $callable;
 
-            if (class_exists($class) == false) {
+            if (!class_exists($class)) {
                 throw new InvalidCallableException("Class `$class` not found.");
             }
 
             $object = $this->container->instantiate($class);
 
-            if (method_exists($object, $method) == false) {
+            if (!method_exists($object, $method)) {
                 throw new InvalidCallableException("Method `$class::$method` is not declared.");
             }
 
@@ -104,7 +93,7 @@ public function call($callable)
             }
         }
 
-        if (is_callable($callable) == false) {
+        if (!is_callable($callable)) {
             throw new InvalidCallableException('Invalid callable.');
         }
 
diff --git a/src/Dispatching/Matcher.php b/src/Dispatching/Matcher.php
index 4db5a51..f1af85d 100644
--- a/src/Dispatching/Matcher.php
+++ b/src/Dispatching/Matcher.php
@@ -8,23 +8,12 @@
 use Psr\Http\Message\ServerRequestInterface;
 
 /**
- * Class Matcher
  * It finds an appropriate route for HTTP requests
- *
- * @package MiladRahimi\PhpRouter\Dispatching
  */
 class Matcher
 {
-    /**
-     * @var Repository
-     */
-    private $repository;
+    private Repository $repository;
 
-    /**
-     * Constructor
-     *
-     * @param Repository $repository
-     */
     public function __construct(Repository $repository)
     {
         $this->repository = $repository;
@@ -38,7 +27,7 @@ public function __construct(Repository $repository)
      * @return Route
      * @throws RouteNotFoundException
      */
-    public function find(ServerRequestInterface $request, array $patterns)
+    public function find(ServerRequestInterface $request, array $patterns): Route
     {
         foreach ($this->repository->findByMethod($request->getMethod()) as $route) {
             $parameters = [];
@@ -59,7 +48,6 @@ public function find(ServerRequestInterface $request, array $patterns)
      *
      * @param string[] $parameters
      * @return string[]
-     * @noinspection PhpUnusedParameterInspection
      */
     private function pruneRouteParameters(array $parameters): array
     {
diff --git a/src/Exceptions/InvalidCallableException.php b/src/Exceptions/InvalidCallableException.php
index 51bda61..d4526c8 100644
--- a/src/Exceptions/InvalidCallableException.php
+++ b/src/Exceptions/InvalidCallableException.php
@@ -5,10 +5,7 @@
 use Exception;
 
 /**
- * Class InvalidCallableException
  * It'd be thrown when a callable (controller or middleware) is not valid
- *
- * @package MiladRahimi\PhpRouter\Exceptions
  */
 class InvalidCallableException extends Exception
 {
diff --git a/src/Exceptions/RouteNotFoundException.php b/src/Exceptions/RouteNotFoundException.php
index 7c718fb..5c8313e 100644
--- a/src/Exceptions/RouteNotFoundException.php
+++ b/src/Exceptions/RouteNotFoundException.php
@@ -5,10 +5,7 @@
 use Exception;
 
 /**
- * Class RouteNotFoundException
  * It'd be thrown when no route that matches the user request
- *
- * @package MiladRahimi\PhpRouter\Exceptions
  */
 class RouteNotFoundException extends Exception
 {
diff --git a/src/Exceptions/UndefinedRouteException.php b/src/Exceptions/UndefinedRouteException.php
index b933737..34f3d1a 100644
--- a/src/Exceptions/UndefinedRouteException.php
+++ b/src/Exceptions/UndefinedRouteException.php
@@ -5,10 +5,7 @@
 use Exception;
 
 /**
- * Class UndefinedRouteException
  * It'd be thrown when cannot find a route to generate URL from
- *
- * @package MiladRahimi\PhpRouter\Exceptions
  */
 class UndefinedRouteException extends Exception
 {
diff --git a/src/Publisher/HttpPublisher.php b/src/Publisher/HttpPublisher.php
index cca97a9..00f3e07 100644
--- a/src/Publisher/HttpPublisher.php
+++ b/src/Publisher/HttpPublisher.php
@@ -5,10 +5,7 @@
 use Psr\Http\Message\ResponseInterface;
 
 /**
- * Class HttpPublisher
  * It publishes responses provided by controllers and middleware as HTTP responses
- *
- * @package MiladRahimi\PhpRouter\Services
  */
 class HttpPublisher implements Publisher
 {
diff --git a/src/Publisher/Publisher.php b/src/Publisher/Publisher.php
index e62645a..cb0f4d3 100644
--- a/src/Publisher/Publisher.php
+++ b/src/Publisher/Publisher.php
@@ -3,10 +3,7 @@
 namespace MiladRahimi\PhpRouter\Publisher;
 
 /**
- * Interface Publisher
  * It publishes responses provided by controllers and middleware
- *
- * @package MiladRahimi\PhpRouter\Services
  */
 interface Publisher
 {
diff --git a/src/Router.php b/src/Router.php
index f085d74..839a2bf 100644
--- a/src/Router.php
+++ b/src/Router.php
@@ -20,54 +20,27 @@
 use Laminas\Diactoros\ServerRequestFactory;
 
 /**
- * Class Router
  * It defines the application routes and dispatches them (runs the application).
- *
- * @package MiladRahimi\PhpRouter
  */
 class Router
 {
-    /**
-     * @var Container
-     */
-    private $container;
+    private Container $container;
 
-    /**
-     * @var Storekeeper
-     */
-    private $storekeeper;
+    private Storekeeper $storekeeper;
 
-    /**
-     * @var Matcher
-     */
-    private $matcher;
+    private Matcher $matcher;
 
-    /**
-     * @var Caller
-     */
-    private $caller;
+    private Caller $caller;
 
-    /**
-     * @var Publisher
-     */
-    private $publisher;
+    private Publisher $publisher;
 
     /**
      * List of defined parameter patterns with `pattern()` method
      *
      * @var string[]
      */
-    private $patterns = [];
+    private array $patterns = [];
 
-    /**
-     * Constructor
-     *
-     * @param Container $container
-     * @param Storekeeper $storekeeper
-     * @param Matcher $matcher
-     * @param Caller $caller
-     * @param Publisher $publisher
-     */
     public function __construct(
         Container   $container,
         Storekeeper $storekeeper,
diff --git a/src/Routing/Attributes.php b/src/Routing/Attributes.php
index 3626744..eb55985 100644
--- a/src/Routing/Attributes.php
+++ b/src/Routing/Attributes.php
@@ -3,10 +3,7 @@
 namespace MiladRahimi\PhpRouter\Routing;
 
 /**
- * Class Attributes
  * It is an Enum that holds route attributes
- *
- * @package MiladRahimi\PhpRouter\Routing
  */
 class Attributes
 {
diff --git a/src/Routing/Repository.php b/src/Routing/Repository.php
index fd0cda5..447e77e 100644
--- a/src/Routing/Repository.php
+++ b/src/Routing/Repository.php
@@ -5,10 +5,7 @@
 use Closure;
 
 /**
- * Class Repository
  * It is a repository for the defined routes
- *
- * @package MiladRahimi\PhpRouter\Routing
  */
 class Repository
 {
@@ -17,7 +14,7 @@ class Repository
      *
      * @var Route[]
      */
-    private $routes = [];
+    private array $routes = [];
 
     /**
      * Save a new route
diff --git a/src/Routing/Route.php b/src/Routing/Route.php
index 1845152..2e7e3d6 100644
--- a/src/Routing/Route.php
+++ b/src/Routing/Route.php
@@ -5,33 +5,24 @@
 use Closure;
 
 /**
- * Class Route
  * It is a single defined route
- *
- * @package MiladRahimi\PhpRouter\Routing
  */
 class Route
 {
     /**
      * The route name
-     *
-     * @var string|null
      */
-    private $name;
+    private ?string $name;
 
     /**
      * The route path
-     *
-     * @var string
      */
-    private $path;
+    private string $path;
 
     /**
      * The route http method
-     *
-     * @var string
      */
-    private $method;
+    private ?string $method;
 
     /**
      * The route controller
@@ -42,31 +33,25 @@ class Route
 
     /**
      * The route middleware
-     *
-     * @var array
      */
-    private $middleware;
+    private array $middleware;
 
     /**
      * The route domain
-     *
-     * @var string|null
      */
-    private $domain;
+    private ?string $domain;
 
     /**
      * The route uri from user request (post-property)
-     *
-     * @var string
      */
-    private $uri = null;
+    private ?string $uri = null;
 
     /**
      * The route parameters from user request (post-property)
      *
      * @var string[]
      */
-    private $parameters = [];
+    private array $parameters = [];
 
     /**
      * Constructor
@@ -112,97 +97,61 @@ public function toArray(): array
         ];
     }
 
-    /**
-     * @return string
-     */
     public function toJson(): string
     {
         return json_encode($this->toArray());
     }
 
-    /**
-     * @return string
-     */
-    public function __toString()
+    public function __toString(): string
     {
         return $this->toJson();
     }
 
-    /**
-     * @return string|null
-     */
     public function getName(): ?string
     {
         return $this->name;
     }
 
-    /**
-     * @return string
-     */
     public function getPath(): string
     {
         return $this->path;
     }
 
-    /**
-     * @return string
-     */
     public function getMethod(): string
     {
         return $this->method;
     }
 
-    /**
-     * @return Closure|string|array
-     */
     public function getController()
     {
         return $this->controller;
     }
 
-    /**
-     * @return array
-     */
     public function getMiddleware(): array
     {
         return $this->middleware;
     }
 
-    /**
-     * @return string|null
-     */
     public function getDomain(): ?string
     {
         return $this->domain;
     }
 
-    /**
-     * @return string[]
-     */
     public function getParameters(): array
     {
         return $this->parameters;
     }
 
-    /**
-     * @param string[] $parameters
-     */
     public function setParameters(array $parameters): void
     {
         $this->parameters = $parameters;
     }
 
-    /**
-     * @return ?string
-     */
     public function getUri(): ?string
     {
         return $this->uri;
     }
 
-    /**
-     * @param ?string $uri
-     */
     public function setUri(?string $uri): void
     {
         $this->uri = $uri;
diff --git a/src/Routing/State.php b/src/Routing/State.php
index d30e6fe..db0c4bf 100644
--- a/src/Routing/State.php
+++ b/src/Routing/State.php
@@ -3,27 +3,15 @@
 namespace MiladRahimi\PhpRouter\Routing;
 
 /**
- * Class State
  * It is state (attributes) of routes
- *
- * @package MiladRahimi\PhpRouter\Routing
  */
 class State
 {
-    /**
-     * @var string
-     */
-    private $prefix;
+    private string $prefix;
 
-    /**
-     * @var array
-     */
-    private $middleware;
+    private array $middleware;
 
-    /**
-     * @var string|null
-     */
-    private $domain;
+    private ?string $domain;
 
     /**
      * Constructor
@@ -41,8 +29,6 @@ public function __construct(string $prefix = '', array $middleware = [], ?string
 
     /**
      * Append new attributes to the existing ones
-     *
-     * @param array $attributes
      */
     public function append(array $attributes): void
     {
@@ -51,25 +37,16 @@ public function append(array $attributes): void
         $this->middleware = array_merge($this->middleware, $attributes[Attributes::MIDDLEWARE] ?? []);
     }
 
-    /**
-     * @return string
-     */
     public function getPrefix(): string
     {
         return $this->prefix;
     }
 
-    /**
-     * @return array
-     */
     public function getMiddleware(): array
     {
         return $this->middleware;
     }
 
-    /**
-     * @return string|null
-     */
     public function getDomain(): ?string
     {
         return $this->domain;
diff --git a/src/Routing/Storekeeper.php b/src/Routing/Storekeeper.php
index e2271d5..d881ba8 100644
--- a/src/Routing/Storekeeper.php
+++ b/src/Routing/Storekeeper.php
@@ -5,29 +5,14 @@
 use Closure;
 
 /**
- * Class Storekeeper
  * It adds new routes with an existing state (attributes) into a Route repository
- *
- * @package MiladRahimi\PhpRouter\Routing
  */
 class Storekeeper
 {
-    /**
-     * @var Repository
-     */
-    private $repository;
+    private Repository $repository;
 
-    /**
-     * @var State
-     */
-    private $state;
+    private State $state;
 
-    /**
-     * Constructor
-     *
-     * @param Repository $repository
-     * @param State $state
-     */
     public function __construct(Repository $repository, State $state)
     {
         $this->repository = $repository;
@@ -54,25 +39,16 @@ public function add(string $method, string $path, $controller, ?string $name = n
         );
     }
 
-    /**
-     * @return State
-     */
     public function getState(): State
     {
         return $this->state;
     }
 
-    /**
-     * @param State $state
-     */
     public function setState(State $state): void
     {
         $this->state = $state;
     }
 
-    /**
-     * @return Repository
-     */
     public function getRepository(): Repository
     {
         return $this->repository;
diff --git a/src/Url.php b/src/Url.php
index 7300725..2fa9c33 100644
--- a/src/Url.php
+++ b/src/Url.php
@@ -6,23 +6,12 @@
 use MiladRahimi\PhpRouter\Routing\Repository;
 
 /**
- * Class Url
  * It generates URLs by name based on the defined routes
- *
- * @package MiladRahimi\PhpRouter
  */
 class Url
 {
-    /**
-     * @var Repository
-     */
-    private $repository;
+    private Repository $repository;
 
-    /**
-     * Constructor
-     *
-     * @param Repository $repository
-     */
     public function __construct(Repository $repository)
     {
         $this->repository = $repository;
@@ -49,8 +38,6 @@ public function make(string $name, array $parameters = []): string
         }
 
         $uri = preg_replace('/{[^}]+\?}/', '', $uri);
-        $uri = str_replace('/?', '', $uri);
-
-        return $uri;
+        return str_replace('/?', '', $uri);
     }
 }
diff --git a/src/View/PhpView.php b/src/View/PhpView.php
index dfe6e7c..d7a7f49 100644
--- a/src/View/PhpView.php
+++ b/src/View/PhpView.php
@@ -2,28 +2,16 @@
 
 namespace MiladRahimi\PhpRouter\View;
 
-use Laminas\Diactoros\Response\EmptyResponse;
-
 /**
- * Class PhpView
  * It makes views from PHP and HTML/PHP files
- *
- * @package MiladRahimi\PhpRouter\Services
  */
 class PhpView implements View
 {
     /**
      * The root directory of view files
-     *
-     * @var string
      */
-    private $directory;
+    private string $directory;
 
-    /**
-     * Constructor
-     *
-     * @param string $directory
-     */
     public function __construct(string $directory)
     {
         $this->directory = $directory;
@@ -45,7 +33,6 @@ public function make(string $name, array $data = [], int $httpStatus = 200, arra
 
         extract($data);
 
-        /** @noinspection PhpIncludeInspection */
         require $path;
 
         return null;
diff --git a/src/View/View.php b/src/View/View.php
index 1b0d0cf..2e13778 100644
--- a/src/View/View.php
+++ b/src/View/View.php
@@ -3,19 +3,13 @@
 namespace MiladRahimi\PhpRouter\View;
 
 /**
- * Interface View
  * It makes views
- *
- * @package MiladRahimi\PhpRouter\Services
  */
 interface View
 {
     /**
      * Make a view
      *
-     * @param string $name
-     * @param array $data
-     * @param int $httpStatus
      * @param string[] $httpHeaders
      * @return mixed
      */
diff --git a/tests/Common/SampleConstructorController.php b/tests/Common/SampleConstructorController.php
index 32ed2ea..f099883 100644
--- a/tests/Common/SampleConstructorController.php
+++ b/tests/Common/SampleConstructorController.php
@@ -4,10 +4,7 @@
 
 class SampleConstructorController
 {
-    /**
-     * @var SampleInterface
-     */
-    public $sample;
+    public SampleInterface $sample;
 
     public function __construct(SampleInterface $sample)
     {
@@ -18,4 +15,4 @@ public function getSampleClassName(): string
     {
         return get_class($this->sample);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Common/SampleController.php b/tests/Common/SampleController.php
index d30f806..7bec955 100644
--- a/tests/Common/SampleController.php
+++ b/tests/Common/SampleController.php
@@ -4,17 +4,17 @@
 
 class SampleController
 {
-    public function home()
+    public function home(): string
     {
         return 'Home';
     }
 
-    public function page()
+    public function page(): string
     {
         return 'Page';
     }
 
-    public function ok()
+    public function ok(): string
     {
         return 'OK';
     }
diff --git a/tests/Common/SampleMiddleware.php b/tests/Common/SampleMiddleware.php
index 59eb341..1c6162b 100644
--- a/tests/Common/SampleMiddleware.php
+++ b/tests/Common/SampleMiddleware.php
@@ -6,22 +6,11 @@
 
 class SampleMiddleware
 {
-    /**
-     * @var string
-     */
-    public $content;
-
-    /**
-     * @var array
-     */
-    public static $output = [];
-
-    /**
-     * SampleMiddleware constructor.
-     *
-     * @param string|null $content
-     */
-    public function __construct(string $content = null)
+    public string $content;
+
+    public static array $output = [];
+
+    public function __construct(?string $content = null)
     {
         static::$output = [];
 
diff --git a/tests/Common/StopperMiddleware.php b/tests/Common/StopperMiddleware.php
index 8903072..ed89c63 100644
--- a/tests/Common/StopperMiddleware.php
+++ b/tests/Common/StopperMiddleware.php
@@ -2,35 +2,23 @@
 
 namespace MiladRahimi\PhpRouter\Tests\Common;
 
-use Closure;
-use Psr\Http\Message\ServerRequestInterface;
 use Laminas\Diactoros\Response\TextResponse;
 
 class StopperMiddleware
 {
-    /**
-     * @var string
-     */
-    public $content;
+    public string $content;
 
     /**
      * @var array
      */
-    public static $output = [];
+    public static array $output = [];
 
-    /**
-     * SampleMiddleware constructor.
-     * @param string $content
-     */
     public function __construct(string $content = null)
     {
         $this->content = $content ?: mt_rand(1, 9999999);
     }
 
-    /**
-     * @inheritdoc
-     */
-    public function handle(ServerRequestInterface $request, Closure $next)
+    public function handle(): TextResponse
     {
         static::$output[] = $this->content;
 
diff --git a/tests/Common/TrapPublisher.php b/tests/Common/TrapPublisher.php
index 25d7c86..6e7a3b5 100644
--- a/tests/Common/TrapPublisher.php
+++ b/tests/Common/TrapPublisher.php
@@ -7,20 +7,14 @@
 
 class TrapPublisher implements Publisher
 {
-    /**
-     * @var string
-     */
-    public $output = '';
+    public string $output = '';
 
-    /**
-     * @var int
-     */
-    public $responseCode = 0;
+    public int $responseCode = 0;
 
     /**
      * @var string[]
      */
-    public $headerLines = [];
+    public array $headerLines = [];
 
     /**
      * @inheritdoc
diff --git a/tests/Features/GroupingTest.php b/tests/Features/GroupingTest.php
index 6d1be2c..196607d 100644
--- a/tests/Features/GroupingTest.php
+++ b/tests/Features/GroupingTest.php
@@ -67,7 +67,7 @@ public function test_nested_groups_with_middleware()
      */
     public function test_with_a_prefix()
     {
-        $this->mockRequest('GET', 'http://example.com/group/page');
+        $this->mockRequest('GET', 'https://example.com/group/page');
 
         $router = $this->router();
         $router->group(['prefix' => '/group'], function (Router $router) {
@@ -83,7 +83,7 @@ public function test_with_a_prefix()
      */
     public function test_nested_groups_with_prefix()
     {
-        $this->mockRequest('GET', 'http://example.com/group1/group2/page');
+        $this->mockRequest('GET', 'https://example.com/group1/group2/page');
 
         $router = $this->router();
         $router->group(['prefix' => '/group1'], function (Router $router) {
@@ -101,7 +101,7 @@ public function test_nested_groups_with_prefix()
      */
     public function test_with_domain()
     {
-        $this->mockRequest('GET', 'http://sub.domain.tld/');
+        $this->mockRequest('GET', 'https://sub.domain.tld/');
 
         $router = $this->router();
         $router->group(['domain' => 'sub.domain.tld'], function (Router $router) {
@@ -117,7 +117,7 @@ public function test_with_domain()
      */
     public function test_nested_groups_with_domain_it_should_consider_the_inner_group_domain()
     {
-        $this->mockRequest('GET', 'http://sub2.domain.com/');
+        $this->mockRequest('GET', 'https://sub2.domain.com/');
 
         $router = $this->router();
         $router->group(['domain' => 'sub1.domain.com'], function (Router $router) {
diff --git a/tests/Features/HttpMethodTest.php b/tests/Features/HttpMethodTest.php
index da2f8f2..aa67e1a 100644
--- a/tests/Features/HttpMethodTest.php
+++ b/tests/Features/HttpMethodTest.php
@@ -14,7 +14,7 @@ class HttpMethodTest extends TestCase
      */
     public function test_a_get_route()
     {
-        $this->mockRequest('GET', 'http://example.com/');
+        $this->mockRequest('GET', 'https://example.com/');
 
         $router = $this->router();
         $router->get('/', [SampleController::class, 'home']);
@@ -28,7 +28,7 @@ public function test_a_get_route()
      */
     public function test_a_post_route()
     {
-        $this->mockRequest('POST', 'http://example.com/');
+        $this->mockRequest('POST', 'https://example.com/');
 
         $router = $this->router();
         $router->post('/', [SampleController::class, 'home']);
@@ -42,7 +42,7 @@ public function test_a_post_route()
      */
     public function test_a_put_route()
     {
-        $this->mockRequest('PUT', 'http://example.com/');
+        $this->mockRequest('PUT', 'https://example.com/');
 
         $router = $this->router();
         $router->put('/', [SampleController::class, 'home']);
@@ -56,7 +56,7 @@ public function test_a_put_route()
      */
     public function test_a_patch_route()
     {
-        $this->mockRequest('PATCH', 'http://example.com/');
+        $this->mockRequest('PATCH', 'https://example.com/');
 
         $router = $this->router();
         $router->patch('/', [SampleController::class, 'home']);
@@ -70,7 +70,7 @@ public function test_a_patch_route()
      */
     public function test_a_delete_route()
     {
-        $this->mockRequest('DELETE', 'http://example.com/');
+        $this->mockRequest('DELETE', 'https://example.com/');
 
         $router = $this->router();
         $router->delete('/', [SampleController::class, 'home']);
@@ -84,7 +84,7 @@ public function test_a_delete_route()
      */
     public function test_map_a_post_route()
     {
-        $this->mockRequest('POST', 'http://example.com/');
+        $this->mockRequest('POST', 'https://example.com/');
 
         $router = $this->router();
         $router->define('POST', '/', [SampleController::class, 'home']);
@@ -98,7 +98,7 @@ public function test_map_a_post_route()
      */
     public function test_map_a_custom_method()
     {
-        $this->mockRequest('CUSTOM', 'http://example.com/');
+        $this->mockRequest('CUSTOM', 'https://example.com/');
 
         $router = $this->router();
         $router->define('CUSTOM', '/', [SampleController::class, 'home']);
@@ -117,11 +117,11 @@ public function test_any_with_some_methods()
             return $request->getMethod();
         });
 
-        $this->mockRequest('GET', 'http://example.com/');
+        $this->mockRequest('GET', 'https://example.com/');
         $router->dispatch();
         $this->assertEquals('GET', $this->output($router));
 
-        $this->mockRequest('POST', 'http://example.com/');
+        $this->mockRequest('POST', 'https://example.com/');
         $router->dispatch();
         $this->assertEquals('POST', $this->output($router));
     }
diff --git a/tests/Features/ParametersTest.php b/tests/Features/ParametersTest.php
index 15009ba..7bb1219 100644
--- a/tests/Features/ParametersTest.php
+++ b/tests/Features/ParametersTest.php
@@ -13,7 +13,7 @@ class ParametersTest extends TestCase
     public function test_with_a_required_parameter()
     {
         $id = random_int(1, 100);
-        $this->mockRequest('GET', "http://example.com/products/$id");
+        $this->mockRequest('GET', "https://example.com/products/$id");
 
         $router = $this->router();
         $router->get('/products/{id}', function ($id) {
@@ -31,7 +31,7 @@ public function test_with_some_required_parameters()
     {
         $pid = random_int(1, 100);
         $cid = random_int(1, 100);
-        $this->mockRequest('GET', "http://example.com/products/$pid/comments/$cid");
+        $this->mockRequest('GET', "https://example.com/products/$pid/comments/$cid");
 
         $router = $this->router();
         $router->get('/products/{pid}/comments/{cid}', function ($pid, $cid) {
@@ -48,7 +48,7 @@ public function test_with_some_required_parameters()
     public function test_with_a_provided_optional_parameter()
     {
         $id = random_int(1, 100);
-        $this->mockRequest('GET', "http://example.com/products/$id");
+        $this->mockRequest('GET', "https://example.com/products/$id");
 
         $router = $this->router();
         $router->get('/products/{id?}', function ($id = 'default') {
@@ -64,7 +64,7 @@ public function test_with_a_provided_optional_parameter()
      */
     public function test_with_a_unprovided_optional_parameter()
     {
-        $this->mockRequest('GET', "http://example.com/products/");
+        $this->mockRequest('GET', "https://example.com/products/");
 
         $router = $this->router();
         $router->get('/products/{id?}', function ($id = 'default') {
@@ -80,7 +80,7 @@ public function test_with_a_unprovided_optional_parameter()
      */
     public function test_with_a_unprovided_optional_parameter_and_slash()
     {
-        $this->mockRequest('GET', "http://example.com/products");
+        $this->mockRequest('GET', "https://example.com/products");
 
         $router = $this->router();
         $router->get('/products/?{id?}', function ($id = 'default') {
@@ -98,7 +98,7 @@ public function test_with_some_optional_parameters()
     {
         $pid = random_int(1, 100);
         $cid = random_int(1, 100);
-        $this->mockRequest('GET', "http://example.com/products/$pid/comments/$cid");
+        $this->mockRequest('GET', "https://example.com/products/$pid/comments/$cid");
 
         $router = $this->router();
         $router->get('/products/{pid?}/comments/{cid?}', function ($pid, $cid) {
@@ -116,7 +116,7 @@ public function test_with_mixin_parameters()
     {
         $pid = random_int(1, 100);
         $cid = random_int(1, 100);
-        $this->mockRequest('GET', "http://example.com/products/$pid/comments/$cid");
+        $this->mockRequest('GET', "https://example.com/products/$pid/comments/$cid");
 
         $router = $this->router();
         $router->get('/products/{pid}/comments/{cid?}', function ($pid, $cid = 'default') {
diff --git a/tests/Features/PatternsTest.php b/tests/Features/PatternsTest.php
index e762fc6..878dfef 100644
--- a/tests/Features/PatternsTest.php
+++ b/tests/Features/PatternsTest.php
@@ -14,7 +14,7 @@ class PatternsTest extends TestCase
     public function test_with_a_single_digit_pattern()
     {
         $id = random_int(1, 9);
-        $this->mockRequest('GET', "http://example.com/products/$id");
+        $this->mockRequest('GET', "https://example.com/products/$id");
 
         $router = $this->router();
         $router->pattern('id', '[0-9]');
@@ -32,7 +32,7 @@ public function test_with_a_single_digit_pattern()
     public function test_with_a_single_digit_pattern_given_more()
     {
         $id = random_int(10, 100);
-        $this->mockRequest('GET', "http://example.com/products/$id");
+        $this->mockRequest('GET', "https://example.com/products/$id");
 
         $router = $this->router();
         $router->pattern('id', '[0-9]');
@@ -50,7 +50,7 @@ public function test_with_a_single_digit_pattern_given_more()
     public function test_with_a_multi_digits_pattern()
     {
         $id = random_int(10, 100);
-        $this->mockRequest('GET', "http://example.com/products/$id");
+        $this->mockRequest('GET', "https://example.com/products/$id");
 
         $router = $this->router();
         $router->pattern('id', '[0-9]+');
@@ -67,7 +67,7 @@ public function test_with_a_multi_digits_pattern()
      */
     public function test_with_a_multi_digits_pattern_given_string()
     {
-        $this->mockRequest('GET', "http://example.com/products/string");
+        $this->mockRequest('GET', "https://example.com/products/string");
 
         $router = $this->router();
         $router->pattern('id', '[0-9]+');
@@ -85,7 +85,7 @@ public function test_with_a_multi_digits_pattern_given_string()
     public function test_with_a_alphanumeric_pattern()
     {
         $id = 'abc123xyz';
-        $this->mockRequest('GET', "http://example.com/products/$id");
+        $this->mockRequest('GET', "https://example.com/products/$id");
 
         $router = $this->router();
         $router->pattern('id', '[0-9a-z]+');
@@ -103,7 +103,7 @@ public function test_with_a_alphanumeric_pattern()
     public function test_with_a_alphanumeric_pattern_given_invalid()
     {
         $id = 'abc$$$';
-        $this->mockRequest('GET', "http://example.com/products/$id");
+        $this->mockRequest('GET', "https://example.com/products/$id");
 
         $router = $this->router();
         $router->pattern('id', '[0-9a-z]+');
diff --git a/tests/Features/RouteTest.php b/tests/Features/RouteTest.php
index 8398d71..871ab01 100644
--- a/tests/Features/RouteTest.php
+++ b/tests/Features/RouteTest.php
@@ -16,7 +16,7 @@ class RouteTest extends TestCase
      */
     public function test_current_route_for_a_route_with_all_attributes()
     {
-        $this->mockRequest('POST', 'http://shop.com/admin/profile/666');
+        $this->mockRequest('POST', 'https://shop.com/admin/profile/666');
 
         $router = $this->router();
 
@@ -55,7 +55,7 @@ public function test_current_route_for_a_route_with_all_attributes()
      */
     public function test_lately_added_attributes_of_route()
     {
-        $this->mockRequest('POST', 'http://shop.com/admin/profile/666');
+        $this->mockRequest('POST', 'https://shop.com/admin/profile/666');
 
         $router = $this->router();
 
diff --git a/tests/Features/UrlTest.php b/tests/Features/UrlTest.php
index 50165b9..644081a 100644
--- a/tests/Features/UrlTest.php
+++ b/tests/Features/UrlTest.php
@@ -28,7 +28,7 @@ public function test_generating_url_for_the_homepage()
      */
     public function test_generating_url_for_a_page()
     {
-        $this->mockRequest('GET', 'http://web.com/page');
+        $this->mockRequest('GET', 'https://web.com/page');
 
         $router = $this->router();
         $router->get('/', function (Url $url) {
@@ -47,7 +47,7 @@ public function test_generating_url_for_a_page()
      */
     public function test_generating_url_for_a_page_with_required_parameter()
     {
-        $this->mockRequest('GET', 'http://web.com/');
+        $this->mockRequest('GET', 'https://web.com/');
 
         $router = $this->router();
         $router->get('/', function (Url $url) {
@@ -66,7 +66,7 @@ public function test_generating_url_for_a_page_with_required_parameter()
      */
     public function test_generating_url_for_a_page_with_optional_parameter()
     {
-        $this->mockRequest('GET', 'http://web.com/');
+        $this->mockRequest('GET', 'https://web.com/');
 
         $router = $this->router();
         $router->get('/', function (Url $url) {
@@ -85,7 +85,7 @@ public function test_generating_url_for_a_page_with_optional_parameter()
      */
     public function test_generating_url_for_a_page_with_optional_parameter_ignored()
     {
-        $this->mockRequest('GET', 'http://web.com/');
+        $this->mockRequest('GET', 'https://web.com/');
 
         $router = $this->router();
         $router->get('/', function (Url $url) {
@@ -104,7 +104,7 @@ public function test_generating_url_for_a_page_with_optional_parameter_ignored()
      */
     public function test_generating_url_for_a_page_with_optional_parameter_and_slash_ignored()
     {
-        $this->mockRequest('GET', 'http://web.com/');
+        $this->mockRequest('GET', 'https://web.com/');
 
         $router = $this->router();
         $router->get('/', function (Url $url) {
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 2ce2b76..162abab 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -17,7 +17,7 @@ protected function setUp(): void
     {
         parent::setUp();
 
-        $this->mockRequest('GET', 'http://example.com/');
+        $this->mockRequest('GET', 'https://example.com/');
     }
 
     /**
@@ -55,7 +55,7 @@ protected function router(): Router
      * @param Router $router
      * @return string
      */
-    protected function output(Router $router)
+    protected function output(Router $router): string
     {
         return $this->publisher($router)->output;
     }