diff --git a/.gitignore b/.gitignore
index f6b4976..bd4660f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 composer.phar
 composer.lock
 /vendor/
-.phpunit.result.cache
\ No newline at end of file
+.phpunit.result.cache
+.phpunit.cache/
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 57ddeba..2dbaefa 100644
--- a/composer.json
+++ b/composer.json
@@ -13,23 +13,19 @@
   "minimum-stability": "dev",
   "prefer-stable": true,
   "require": {
-    "php": ">=7.3",
+    "php": ">=8.1",
     "ext-gmp": "*",
     "ext-json": "*",
-    "web-token/jwt-checker": "^2.0",
-    "web-token/jwt-core": "^2.0",
-    "web-token/jwt-signature": "^2.0",
-    "web-token/jwt-signature-algorithm-rsa": "^2.0",
+    "web-token/jwt-library": "^3.0",
     "illuminate/contracts": ">=7.1"
   },
   "require-dev": {
     "illuminate/cache": ">=7.1",
     "illuminate/config": ">=7.1",
     "illuminate/container": ">=7.1",
-    "phpunit/phpunit": "^9.0",
-    "doctrine/coding-standard": "^6.0 || ^8.0",
-    "phpstan/phpstan": "^1.0",
-    "web-token/jwt-easy": "~2.0"
+    "phpunit/phpunit": "^10.0",
+    "doctrine/coding-standard": "^12.0",
+    "phpstan/phpstan": "^1.0"
   },
   "autoload": {
     "psr-4": {
@@ -47,5 +43,10 @@
         "CustomerGauge\\Cognito\\LaravelCognitoServiceProvider"
       ]
     }
+  },
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true
+    }
   }
 }
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index cedb388..fc07472 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" backupStaticAttributes="false" bootstrap="vendor/autoload.php" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
-  <coverage processUncoveredFiles="true">
-    <include>
-      <directory suffix=".php">./src</directory>
-    </include>
-  </coverage>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" bootstrap="vendor/autoload.php" colors="true" processIsolation="false" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.2/phpunit.xsd" cacheDirectory=".phpunit.cache" backupStaticProperties="false">
   <testsuites>
     <testsuite name="Unit Tests">
       <directory suffix="Test.php">./tests</directory>
     </testsuite>
   </testsuites>
+  <source>
+    <include>
+      <directory suffix=".php">./src</directory>
+    </include>
+  </source>
 </phpunit>
diff --git a/src/CognitoUserProvider.php b/src/CognitoUserProvider.php
index cb6a8db..636e09a 100644
--- a/src/CognitoUserProvider.php
+++ b/src/CognitoUserProvider.php
@@ -1,32 +1,29 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace CustomerGauge\Cognito;
 
+use BadMethodCallException;
 use CustomerGauge\Cognito\Contracts\UserFactory;
-use Exception;
 use Illuminate\Contracts\Auth\Authenticatable;
 use Illuminate\Contracts\Auth\UserProvider;
+use Throwable;
 
 final class CognitoUserProvider implements UserProvider
 {
-    private $parser;
-
-    private $factory;
-
-    public function __construct(TokenParser $parser, UserFactory $factory)
+    public function __construct(private TokenParser $parser, private UserFactory $factory)
     {
-        $this->parser = $parser;
-        $this->factory = $factory;
     }
 
+    /** @inheritdoc */
     public function retrieveByCredentials(array $credentials)
     {
         $token = $credentials['cognito_token'];
 
         try {
             $payload = $this->parser->parse($token);
-
-        } catch (Exception $e) {
+        } catch (Throwable) {
             // If we cannot parse the token, that probably means it's an invalid Token. Since
             // the Authenticate Middleware implements a Chain Of Responsibility Pattern,
             // we have to return null so that other Guards can try to authenticate.
@@ -36,23 +33,48 @@ public function retrieveByCredentials(array $credentials)
         return $this->factory->make($payload);
     }
 
-    /** @phpstan ignore */
+    /**
+     * @inheritdoc
+     * @phpstan ignore
+     */
     public function validateCredentials(Authenticatable $user, array $credentials)
     {
+        throw new BadMethodCallException('Not implemented');
     }
 
-    /** @phpstan ignore */
+    /**
+     * @inheritdoc
+     * @phpstan ignore
+     */
     public function retrieveById($identifier)
     {
+        throw new BadMethodCallException('Not implemented');
     }
 
-    /** @phpstan ignore */
+    /**
+     * @inheritdoc
+     * @phpstan ignore
+     */
     public function retrieveByToken($identifier, $token)
     {
+        throw new BadMethodCallException('Not implemented');
     }
 
-    /** @phpstan ignore */
+    /**
+     * @inheritdoc
+     * @phpstan ignore
+     */
     public function updateRememberToken(Authenticatable $user, $token)
     {
+        throw new BadMethodCallException('Not implemented');
+    }
+
+    /**
+     * @inheritdoc
+     * @phpstan ignore
+     */
+    public function rehashPasswordIfRequired(Authenticatable $user, array $credentials, bool $force = false)
+    {
+        throw new BadMethodCallException('Not implemented');
     }
 }
diff --git a/src/Contracts/UserFactory.php b/src/Contracts/UserFactory.php
index 4785ee0..3c9188d 100644
--- a/src/Contracts/UserFactory.php
+++ b/src/Contracts/UserFactory.php
@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace CustomerGauge\Cognito\Contracts;
 
@@ -6,5 +8,6 @@
 
 interface UserFactory
 {
-    public function make(array $payload): ?Authenticatable;
-}
\ No newline at end of file
+    /** @param mixed[] $payload */
+    public function make(array $payload): Authenticatable|null;
+}
diff --git a/src/Issuer.php b/src/Issuer.php
index c7c2d88..ba2b4ac 100644
--- a/src/Issuer.php
+++ b/src/Issuer.php
@@ -1,17 +1,15 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace CustomerGauge\Cognito;
 
+use function sprintf;
+
 final class Issuer
 {
-    private $userPoolId;
-
-    private $region;
-
-    public function __construct(string $userPoolId, string $region)
+    public function __construct(private string $userPoolId, private string $region)
     {
-        $this->userPoolId = $userPoolId;
-        $this->region = $region;
     }
 
     public function toString(): string
diff --git a/src/KeyResolver.php b/src/KeyResolver.php
index 9c7eceb..43ac0e8 100644
--- a/src/KeyResolver.php
+++ b/src/KeyResolver.php
@@ -1,27 +1,32 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace CustomerGauge\Cognito;
 
 use Illuminate\Contracts\Cache\Repository;
+use InvalidArgumentException;
+
+use function file_get_contents;
 
 final class KeyResolver
 {
-    private $cache;
-
-    private $issuer;
-
-    public function __construct(Issuer $issuer, Repository $cache)
+    public function __construct(private Issuer $issuer, private Repository $cache)
     {
-        $this->issuer = $issuer;
-        $this->cache = $cache;
     }
 
     public function jwkset(): string
     {
         $url = $this->issuer->toString() . '/.well-known/jwks.json';
 
-        return $this->cache->remember('jwks', 7200, function() use ($url) {
-            return file_get_contents($url);
+        return $this->cache->remember('jwks', 7200, static function () use ($url) {
+            $content = file_get_contents($url);
+
+            if ($content === false) {
+                throw new InvalidArgumentException('Invalid JWKS file');
+            }
+
+            return $content;
         });
     }
 
diff --git a/src/LaravelCognitoServiceProvider.php b/src/LaravelCognitoServiceProvider.php
index e04cb33..c7a15c3 100644
--- a/src/LaravelCognitoServiceProvider.php
+++ b/src/LaravelCognitoServiceProvider.php
@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace CustomerGauge\Cognito;
 
@@ -8,7 +10,7 @@
 
 final class LaravelCognitoServiceProvider extends ServiceProvider
 {
-    public function register()
+    public function register(): void
     {
         $this->registerIssuer();
 
@@ -30,7 +32,7 @@ private function registerIssuer(): void
 
     private function registerCognitoUserProvider(): void
     {
-        Auth::provider(CognitoUserProvider::class, function (Container $app) {
+        Auth::provider(CognitoUserProvider::class, static function (Container $app) {
             return $app->make(CognitoUserProvider::class);
         });
     }
diff --git a/src/Testing/TokenGenerator.php b/src/Testing/TokenGenerator.php
index 502d89b..f71d1d1 100644
--- a/src/Testing/TokenGenerator.php
+++ b/src/Testing/TokenGenerator.php
@@ -1,51 +1,66 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace CustomerGauge\Cognito\Testing;
 
+use InvalidArgumentException;
+use Jose\Component\Core\AlgorithmManager;
 use Jose\Component\Core\JWKSet;
-use Jose\Easy\Build;
+use Jose\Component\Core\Util\JsonConverter;
+use Jose\Component\Signature\Algorithm\RS256;
+use Jose\Component\Signature\JWSBuilder;
+use Jose\Component\Signature\Serializer\CompactSerializer;
+
+use function file_get_contents;
+use function time;
 
 final class TokenGenerator
 {
-    private $jwk;
+    public string $jti = 'token-id';
 
-    public $jti = 'token-id';
+    public string $algorithm = 'RS256';
 
-    public $algorithm = 'RS256';
+    public string $issuer = 'https://cognito-idp.local.amazonaws.com/phpunit-pool-id';
 
-    public $issuer = 'https://cognito-idp.local.amazonaws.com/phpunit-pool-id';
+    public string $subject = 'testing';
 
-    public $subject = 'testing';
-
-    public function __construct(JWKSet $jwk)
+    public function __construct(private JWKSet $jwk)
     {
-        $this->jwk = $jwk;
     }
 
     public static function fromFile(string $path): self
     {
         $key = file_get_contents($path);
 
+        if ($key === false) {
+            throw new InvalidArgumentException('Invalid file');
+        }
+
         return new self(JWKSet::createFromJson($key));
     }
 
+    /** @param mixed[] $attributes */
     public function sign(array $attributes): string
     {
         $time = time();
 
-        $builder = Build::jws()
-            ->exp($time + 3600)
-            ->iat($time)
-            ->nbf($time)
-            ->jti($this->jti, true)
-            ->alg($this->algorithm)
-            ->iss($this->issuer)
-            ->sub($this->subject);
-
-        foreach ($attributes as $key => $value) {
-            $builder->claim($key, $value, true);
-        }
+        $algorithmManager = new AlgorithmManager([new RS256()]);
+        $jwsBuilder       = new JWSBuilder($algorithmManager);
+        $payload          = JsonConverter::encode([
+            'iat' => $time,
+            'nbf' => $time,
+            'exp' => $time + 3600,
+            'iss' => $this->issuer,
+            'jti' => $this->jti,
+            'sub' => $this->subject,
+        ] + $attributes);
+
+        $jws = $jwsBuilder->create()
+            ->withPayload($payload)
+            ->addSignature($this->jwk->get(0), ['alg' => $this->algorithm])
+            ->build();
 
-        return $builder->sign($this->jwk->get(0));
+        return (new CompactSerializer())->serialize($jws);
     }
-}
\ No newline at end of file
+}
diff --git a/src/TokenParser.php b/src/TokenParser.php
index 64537bb..a1b4101 100644
--- a/src/TokenParser.php
+++ b/src/TokenParser.php
@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace CustomerGauge\Cognito;
 
@@ -14,16 +16,15 @@
 use Jose\Component\Signature\Serializer\CompactSerializer;
 use Jose\Component\Signature\Serializer\JWSSerializerManager;
 
+use function json_decode;
+
 final class TokenParser
 {
-    private $keyResolver;
-
-    public function __construct(KeyResolver $keyResolver)
+    public function __construct(private KeyResolver $keyResolver)
     {
-        $this->keyResolver = $keyResolver;
     }
 
-    public function parse(string $token)
+    public function parse(string $token): mixed
     {
         $jws = $this->loadAndVerifyWithKeySet($token);
 
@@ -31,7 +32,7 @@ public function parse(string $token)
 
         $claimCheckerManager = new ClaimCheckerManager([
             new IssuerChecker([$this->keyResolver->issuer()->toString()]),
-            new ExpirationTimeChecker,
+            new ExpirationTimeChecker(),
         ]);
 
         $claimCheckerManager->check($payload);
diff --git a/tests/Fixtures/MyUser.php b/tests/Fixtures/MyUser.php
index 3fb7dc8..926c427 100644
--- a/tests/Fixtures/MyUser.php
+++ b/tests/Fixtures/MyUser.php
@@ -29,4 +29,8 @@ public function setRememberToken($value)
     public function getRememberTokenName()
     {
     }
+
+    public function getAuthPasswordName()
+    {   
+    }
 }
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 701837d..493f866 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -9,8 +9,6 @@
 use Illuminate\Cache\Repository;
 use Illuminate\Container\Container;
 use Illuminate\Contracts\Cache\Repository as RepositoryContract;
-use Jose\Component\Core\JWKSet;
-use Jose\Easy\Build;
 use PHPUnit\Framework\TestCase as BaseTestCase;
 use Tests\CustomerGauge\Cognito\Fixtures\MyUserFactory;