diff --git a/.gitattributes b/.gitattributes
index b50d952..4b62b65 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -2,11 +2,12 @@
 # https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
 
 # Ignore all test and documentation with "export-ignore".
+/.github            export-ignore
 /.gitattributes     export-ignore
 /.gitignore         export-ignore
-/.travis.yml        export-ignore
 /phpunit.xml.dist   export-ignore
-/.scrutinizer.yml   export-ignore
+/phpunit.xml        export-ignore
 /tests              export-ignore
 /.editorconfig      export-ignore
-/.assets            export-ignore
+/.styleci.yml       export-ignore
+/composer.lock      export-ignore
\ No newline at end of file
diff --git a/.assets/buymeacoffee.png b/.github/assets/buymeacoffee.png
similarity index 100%
rename from .assets/buymeacoffee.png
rename to .github/assets/buymeacoffee.png
diff --git a/.assets/ko-fi.png b/.github/assets/ko-fi.png
similarity index 100%
rename from .assets/ko-fi.png
rename to .github/assets/ko-fi.png
diff --git a/.assets/patreon.png b/.github/assets/patreon.png
similarity index 100%
rename from .assets/patreon.png
rename to .github/assets/patreon.png
diff --git a/.assets/paypal.png b/.github/assets/paypal.png
similarity index 100%
rename from .assets/paypal.png
rename to .github/assets/paypal.png
diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 420454f..6d6808d 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -1,50 +1,127 @@
-name: Tests
+# yaml-language-server: $schema=https://json.schemastore.org/github-workflow
+
+name: "Tests"
 
 on:
   push:
+    branches:
+      - "feat/improve-ci" # TODO: Remove once the PR is ready to be merged.
   pull_request:
 
 jobs:
-  test:
-
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: true
-      matrix:
-        php: [ 8.0, 8.1 ]
-        laravel: [ 9.* ]
-        dependency-version: [ prefer-stable, prefer-lowest ]
-        include:
-          - laravel: 9.*
-            testbench: 7.*
 
-    name: PHP ${{ matrix.php }} - Laravel ${{ matrix.laravel }} - ${{ matrix.dependency-version }}
+  byte_level:
+    name: "0️⃣ Byte-level"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Checkout code"
+        uses: "actions/checkout@v3"
 
+      - name: "Check file permissions"
+        run: |
+          test "$(find . -type f -not -path './.git/*' -executable)" == ""
+      - name: "Find non-printable ASCII characters"
+        run: |
+          ! LC_ALL=C.UTF-8 find ./src -type f -name "*.php" -print0 | xargs -0 -- grep -PHn "[^ -~]"
+  syntax_errors:
+    name: "1️⃣ Syntax errors"
+    runs-on: "ubuntu-latest"
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2
+      - name: "Set up PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "8.1"
+          tools: "parallel-lint"
+
+      - name: "Checkout code"
+        uses: "actions/checkout@v3"
+
+      - name: "Install dependencies"
+        uses: "ramsey/composer-install@v2"
+        with:
+          dependency-versions: "highest"
 
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
+      - name: "Check source code for syntax errors"
+        run: "composer exec -- parallel-lint src/"
+
+  unit_tests:
+    name: "2️⃣ Unit and Feature tests"
+    needs:
+      - "byte_level"
+      - "syntax_errors"
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        php-version:
+          - "8.1"
+        laravel-constrain:
+          - "9.*"
+        dependencies:
+          - "lowest"
+          - "highest"
+    steps:
+      - name: "Set up PHP"
+        uses: "shivammathur/setup-php@v2"
         with:
-          php-version: ${{ matrix.php }}
+          php-version: "${{ matrix.php-version }}"
           extensions: mbstring, intl
           coverage: xdebug
 
-      - name: Cache dependencies
-        uses: actions/cache@v2
+      - name: "Checkout code"
+        uses: "actions/checkout@v3"
+
+      - name: "Install dependencies"
+        uses: "ramsey/composer-install@v2"
         with:
-          path: ~/.composer/cache/files
-          key: ${{ runner.os }}-laravel-${{ matrix.laravel }}-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}
-          restore-keys: ${{ runner.os }}-laravel-${{ matrix.laravel }}-php-${{ matrix.php }}-composer-
+          dependency-versions: "${{ matrix.dependencies }}"
 
-      - name: Install dependencies
-        run: |
-          composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-progress --no-update
-          composer update --${{ matrix.dependency-version }} --prefer-dist --no-progress
-      - name: Run Tests
-        run: composer run-script test
+      - name: "Execute unit tests"
+        run: "composer run-script test"
+
+      - name: "Upload coverage to Codecov"
+        uses: "codecov/codecov-action@v2"
+
+  static_analysis:
+    name: "3️⃣ Static Analysis"
+    needs:
+      - "byte_level"
+      - "syntax_errors"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Set up PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "8.1"
+          tools: "phpstan"
 
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v2
+      - name: "Checkout code"
+        uses: "actions/checkout@v3"
 
+      - name: "Validate Composer configuration"
+        run: "composer validate --strict"
+
+      - name: "Install dependencies"
+        uses: "ramsey/composer-install@v2"
+        with:
+          dependency-versions: "highest"
+
+      - name: "Execute static analysis"
+        run: "composer exec -- phpstan analyze -l 5 src/"
+
+  exported_files:
+    name: "4️⃣ Exported files"
+    needs:
+      - "byte_level"
+      - "syntax_errors"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Checkout code"
+        uses: "actions/checkout@v3"
+
+      - name: "Check exported files"
+        run: |
+          EXPECTED="LICENSE.md,README.md,composer.json"
+          CURRENT="$(git archive HEAD | tar --list --exclude="src" --exclude="src/*" --exclude=".stubs" --exclude=".stubs/*" --exclude="lang" --exclude="lang/*" --exclude="config" --exclude="config/*" --exclude="database" --exclude="database/*" --exclude="resources" --exclude="resources/*" | paste -s -d ",")"
+          echo "CURRENT =${CURRENT}"
+          echo "EXPECTED=${EXPECTED}"
+          test "${CURRENT}" == "${EXPECTED}"
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 0054f22..c612ac8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,7 @@
-build
+/build
+/vendor
+/.idea
+.php-cs-fixer.cache
+.phpunit.result.cache
 composer.lock
-docs
-vendor
-coverage
-.idea
-/.phpunit.result.cache
-/phpunit.xml.dist.bak
+phpunit.xml.bak
\ No newline at end of file
diff --git a/README.md b/README.md
index 68d51c0..896c687 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ This package enables TOTP authentication using 6 digits codes. No need for exter
 
 ## Keep this package free
 
-[![](.assets/patreon.png)](https://patreon.com/packagesforlaravel)[![](.assets/ko-fi.png)](https://ko-fi.com/DarkGhostHunter)[![](.assets/buymeacoffee.png)](https://www.buymeacoffee.com/darkghosthunter)[![](.assets/paypal.png)](https://www.paypal.com/paypalme/darkghosthunter)
+[![](.github/assets/patreon.png)](https://patreon.com/packagesforlaravel)[![](.github/assets/ko-fi.png)](https://ko-fi.com/DarkGhostHunter)[![](.github/assets/buymeacoffee.png)](https://www.buymeacoffee.com/darkghosthunter)[![](.github/assets/paypal.png)](https://www.paypal.com/paypalme/darkghosthunter)
 
 Your support allows me to keep this package free, up-to-date and maintainable. Alternatively, you can **[spread the word!](http://twitter.com/share?text=I%20am%20using%20this%20cool%20PHP%20package&url=https://github.com%2FLaragear%2FTwoFactor&hashtags=PHP,Laravel)**
 
diff --git a/src/Models/Concerns/HandlesCodes.php b/src/Models/Concerns/HandlesCodes.php
index 3a84226..5759dae 100644
--- a/src/Models/Concerns/HandlesCodes.php
+++ b/src/Models/Concerns/HandlesCodes.php
@@ -213,9 +213,10 @@ protected function codeHasBeenUsed(string $code): bool
      */
     protected function setCodeAsUsed(string $code, DateTimeInterface|int|string $at = 'now'): void
     {
+        $timestamp = Carbon::createFromTimestamp($this->getTimestampFromPeriod($at, $this->window + 1));
+
         // We will safely set the cache key for the whole lifetime plus window just to be safe.
-        $this->cache->set($this->cacheKey($code), true,
-            Carbon::createFromTimestamp($this->getTimestampFromPeriod($at, $this->window + 1))
-        );
+        // @phpstan-ignore-next-line
+        $this->cache->set($this->cacheKey($code), true, $timestamp);
     }
 }
diff --git a/src/Models/Concerns/HandlesRecoveryCodes.php b/src/Models/Concerns/HandlesRecoveryCodes.php
index 0dda7a4..1cd59b4 100644
--- a/src/Models/Concerns/HandlesRecoveryCodes.php
+++ b/src/Models/Concerns/HandlesRecoveryCodes.php
@@ -13,9 +13,9 @@ trait HandlesRecoveryCodes
     /**
      * The custom generator to make recovery codes.
      *
-     * @var (callable(int, int, int): \Illuminate\Support\Collection<int, int|string>) 
+     * @var (callable(int, int, int): \Illuminate\Support\Collection<int, int|string>)|null
      */
-    protected static $generator;
+    protected static $generator = null;
 
     /**
      * Returns if there are Recovery Codes available.
diff --git a/src/Models/Concerns/SerializesSharedSecret.php b/src/Models/Concerns/SerializesSharedSecret.php
index 60f1b20..93ca8bc 100644
--- a/src/Models/Concerns/SerializesSharedSecret.php
+++ b/src/Models/Concerns/SerializesSharedSecret.php
@@ -31,7 +31,7 @@ public function toUri(): string
             'secret'    => $this->shared_secret,
             'algorithm' => strtoupper($this->attributes['algorithm']),
             'digits'     => $this->attributes['digits'],
-        ], null, '&', PHP_QUERY_RFC3986);
+        ], '', '&', PHP_QUERY_RFC3986);
 
         return 'otpauth://totp/'.rawurlencode($issuer).'%3A'.$this->attributes['label']."?$query";
     }
diff --git a/src/Models/TwoFactorAuthentication.php b/src/Models/TwoFactorAuthentication.php
index 3f87abb..779b27a 100644
--- a/src/Models/TwoFactorAuthentication.php
+++ b/src/Models/TwoFactorAuthentication.php
@@ -34,7 +34,7 @@
  * @property null|\Illuminate\Support\Carbon|\DateTime $updated_at
  * @property null|\Illuminate\Support\Carbon|\DateTime $created_at
  *
- * @method static \Database\Factories\Laragear\TwoFactor\TwoFactorAuthenticationFactory factory()
+ * @method static \Database\Factories\Laragear\TwoFactor\TwoFactorAuthenticationFactory<static> factory($count = null, $state = [])
  */
 class TwoFactorAuthentication extends Model implements TwoFactorTotp
 {
@@ -141,9 +141,7 @@ public static function generateRandomSecret(): string
     }
 
     /**
-     * Create a new factory instance for the model.
-     *
-     * @return \Illuminate\Database\Eloquent\Factories\Factory<static>
+     * @inheritDoc
      */
     protected static function newFactory(): Factory
     {
diff --git a/src/Rules/Totp.php b/src/Rules/Totp.php
index 784c389..51ebfb1 100644
--- a/src/Rules/Totp.php
+++ b/src/Rules/Totp.php
@@ -15,7 +15,7 @@ class Totp
     /**
      * Create a new "totp code" rule instance.
      *
-     * @param  \Illuminate\Contracts\Auth\Authenticatable|\Laragear\TwoFactor\Contracts\TwoFactorAuthenticatable|null  $user
+     * @param  \Illuminate\Contracts\Auth\Authenticatable|null  $user
      */
     public function __construct(protected ?Authenticatable $user = null)
     {
diff --git a/src/TwoFactorLoginHelper.php b/src/TwoFactorLoginHelper.php
index f93e6cd..c1d0c3a 100644
--- a/src/TwoFactorLoginHelper.php
+++ b/src/TwoFactorLoginHelper.php
@@ -9,7 +9,6 @@
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Crypt;
 use InvalidArgumentException;
-use JetBrains\PhpStorm\ArrayShape;
 use Laragear\TwoFactor\Exceptions\InvalidCodeException;
 use function response;
 use function view;
@@ -144,6 +143,10 @@ public function attempt(array $credentials = [], $remember = false): bool
 
             $this->throwConfirmView($this->input, $this->request->has($this->input) ? $e->errors() : []);
         }
+
+        // @codeCoverageIgnoreStart
+        return false;
+        // @codeCoverageIgnoreEnd
     }
 
     /**
@@ -165,11 +168,10 @@ protected function getSessionGuard(): SessionGuard
     /**
      * Retrieve the flashed credentials in the session, and merges with the new on top.
      *
-     * @param  array  $credentials
+     * @param  array{credentials:array, remember:bool}  $credentials
      * @param  mixed  $remember
      * @return array
      */
-    #[ArrayShape(['credentials' => 'array', 'remember' => 'bool'])]
     protected function getFlashedData(array $credentials, mixed $remember): array
     {
         $original = $this->session->get("$this->sessionKey.credentials", []);
@@ -195,6 +197,7 @@ protected function flashData(array $credentials, bool $remember): void
             $credentials[$key] = Crypt::encryptString($value);
         }
 
+        // @phpstan-ignore-next-line
         $this->session->flash($this->sessionKey, ['credentials' => $credentials, 'remember' => $remember]);
     }
 
@@ -207,6 +210,7 @@ protected function flashData(array $credentials, bool $remember): void
      */
     protected function throwConfirmView(string $input, array $errors): void
     {
+        // @phpstan-ignore-next-line
         response(view($this->view, ['input' => $input])->withErrors($errors))->throwResponse();
     }
 }
diff --git a/src/TwoFactorServiceProvider.php b/src/TwoFactorServiceProvider.php
index 5b653bc..2f513a9 100644
--- a/src/TwoFactorServiceProvider.php
+++ b/src/TwoFactorServiceProvider.php
@@ -73,7 +73,9 @@ protected function publishFiles(): void
         $this->publishesMigrations(static::DB);
 
         $this->publishes([static::CONFIG => $this->app->configPath('two-factor.php')], 'config');
+        // @phpstan-ignore-next-line
         $this->publishes([static::VIEWS => $this->app->viewPath('vendor/two-factor')], 'views');
+        // @phpstan-ignore-next-line
         $this->publishes([static::LANG => $this->app->langPath('vendor/two-factor')], 'translations');
     }
 }