diff --git a/composer.json b/composer.json
index 70449dbeb..5146e035b 100644
--- a/composer.json
+++ b/composer.json
@@ -51,7 +51,6 @@
         "azure-oss/storage-blob-flysystem": "^1.2",
         "brianium/paratest": "^7.14",
         "carthage-software/mago": "1.0.0-beta.28",
-        "depotwarehouse/oauth2-twitch": "^1.3",
         "guzzlehttp/psr7": "^2.6.1",
         "league/flysystem-aws-s3-v3": "^3.25.1",
         "league/flysystem-ftp": "^3.25.1",
@@ -88,6 +87,7 @@
         "tempest/blade": "dev-main",
         "thenetworg/oauth2-azure": "^2.2",
         "twig/twig": "^3.16",
+        "vertisan/oauth2-twitch-helix": "^2.0",
         "wohali/oauth2-discord-new": "^1.2"
     },
     "replace": {
diff --git a/docs/2-features/17-oauth.md b/docs/2-features/17-oauth.md
index 75ac6dc59..902869ce9 100644
--- a/docs/2-features/17-oauth.md
+++ b/docs/2-features/17-oauth.md
@@ -220,6 +220,7 @@ Tempest provides a different configuration object for each OAuth provider. Below
 - **Microsoft** authentication using {b`Tempest\Auth\OAuth\Config\MicrosoftOAuthConfig`},
 - **Slack** authentication using {b`Tempest\Auth\OAuth\Config\SlackOAuthConfig`},
 - **Apple** authentication using {b`Tempest\Auth\OAuth\Config\AppleOAuthConfig`},
+- **Twitch** authentication using {b`Tempest\Auth\OAuth\Config\TwitchOAuthConfig`},
 - Any other OAuth platform using {b`Tempest\Auth\OAuth\Config\GenericOAuthConfig`}.
 
 ## Testing
diff --git a/packages/auth/composer.json b/packages/auth/composer.json
index 687412af4..4a83377c2 100644
--- a/packages/auth/composer.json
+++ b/packages/auth/composer.json
@@ -22,7 +22,7 @@
         "adam-paterson/oauth2-slack": "^1.1",
         "wohali/oauth2-discord-new": "^1.2",
         "smolblog/oauth2-twitter": "^1.0",
-        "depotwarehouse/oauth2-twitch": "^1.3"
+        "vertisan/oauth2-twitch-helix": "^2.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/packages/auth/src/Installer/OAuthInstaller.php b/packages/auth/src/Installer/OAuthInstaller.php
index 0ee15ec40..8915b44d3 100644
--- a/packages/auth/src/Installer/OAuthInstaller.php
+++ b/packages/auth/src/Installer/OAuthInstaller.php
@@ -93,8 +93,7 @@ private function publishConfig(SupportedOAuthProvider $provider): void
 
     private function publishController(SupportedOAuthProvider $provider): void
     {
-        $fileName = str($provider->value)
-            ->classBasename()
+        $fileName = str($provider->getName())
             ->replace('Provider', '')
             ->append('Controller.php')
             ->toString();
@@ -104,7 +103,7 @@ private function publishController(SupportedOAuthProvider $provider): void
             destination: src_path("Authentication/OAuth/{$fileName}"),
             callback: function (string $source, string $destination) use ($provider) {
                 $providerFqcn = $provider::class;
-                $name = strtolower($provider->name);
+                $name = strtolower($provider->getName());
                 $userModelFqcn = to_fqcn(src_path('Authentication/User.php'), root: root_path());
 
                 $this->update(
diff --git a/packages/auth/src/Installer/oauth/twitch.config.stub.php b/packages/auth/src/Installer/oauth/twitch.config.stub.php
new file mode 100644
index 000000000..11968506f
--- /dev/null
+++ b/packages/auth/src/Installer/oauth/twitch.config.stub.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+use Tempest\Auth\OAuth\Config\TwitchOAuthConfig;
+use Tempest\Auth\OAuth\SupportedOAuthProvider;
+
+use function Tempest\env;
+
+return new TwitchOAuthConfig(
+    clientId: env('OAUTH_TWITCH_CLIENT_ID') ?? '',
+    clientSecret: env('OAUTH_TWITCH_CLIENT_SECRET') ?? '',
+    redirectTo: [\Tempest\Auth\Installer\oauth\OAuthControllerStub::class, 'callback'],
+    tag: SupportedOAuthProvider::TWITCH,
+);
\ No newline at end of file
diff --git a/packages/auth/src/OAuth/Config/TwitchOAuthConfig.php b/packages/auth/src/OAuth/Config/TwitchOAuthConfig.php
new file mode 100644
index 000000000..e48e268f9
--- /dev/null
+++ b/packages/auth/src/OAuth/Config/TwitchOAuthConfig.php
@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tempest\Auth\OAuth\Config;
+
+use League\OAuth2\Client\Provider\AbstractProvider;
+use League\OAuth2\Client\Provider\ResourceOwnerInterface;
+use Tempest\Auth\OAuth\OAuthConfig;
+use Tempest\Auth\OAuth\OAuthUser;
+use Tempest\Mapper\ObjectFactory;
+use UnitEnum;
+use Vertisan\OAuth2\Client\Provider\TwitchHelix;
+use Vertisan\OAuth2\Client\Provider\TwitchHelixResourceOwner;
+
+final class TwitchOAuthConfig implements OAuthConfig
+{
+    public string $provider = TwitchHelix::class;
+
+    public function __construct(
+        /**
+         * The client ID for the Twitch OAuth application.
+         */
+        public string $clientId,
+
+        /**
+         * The client secret for the Twitch OAuth application.
+         */
+        public string $clientSecret,
+
+        /**
+         * The controller action to redirect to after the user authorizes the application.
+         */
+        public string|array $redirectTo,
+
+        /**
+         * The scopes to request from Twitch.
+         *
+         * @var string[]
+         */
+        public array $scopes = ['user:read:email'],
+
+        /**
+         * Identifier for this OAuth configuration.
+         */
+        public null|string|UnitEnum $tag = null,
+    ) {}
+
+    public function createProvider(): AbstractProvider
+    {
+        return new TwitchHelix([
+            'clientId' => $this->clientId,
+            'clientSecret' => $this->clientSecret,
+            'redirectUri' => $this->redirectTo,
+        ]);
+    }
+
+    /**
+     * @param TwitchHelixResourceOwner $resourceOwner
+     */
+    public function mapUser(ObjectFactory $factory, ResourceOwnerInterface $resourceOwner): OAuthUser
+    {
+        return $factory->withData([
+            'id' => (string) $resourceOwner->getId(),
+            'email' => $resourceOwner->getEmail(),
+            'name' => $resourceOwner->getDisplayName(),
+            'nickname' => $resourceOwner->getDisplayName(),
+            'avatar' => $resourceOwner->getProfileImageUrl(),
+            'provider' => $this->provider,
+            'raw' => $resourceOwner->toArray(),
+        ])->to(OAuthUser::class);
+    }
+}
diff --git a/packages/auth/src/OAuth/SupportedOAuthProvider.php b/packages/auth/src/OAuth/SupportedOAuthProvider.php
index 1346a942d..023a2ecc0 100644
--- a/packages/auth/src/OAuth/SupportedOAuthProvider.php
+++ b/packages/auth/src/OAuth/SupportedOAuthProvider.php
@@ -11,6 +11,7 @@
 use League\OAuth2\Client\Provider\Instagram;
 use League\OAuth2\Client\Provider\LinkedIn;
 use Stevenmaguire\OAuth2\Client\Provider\Microsoft;
+use Vertisan\OAuth2\Client\Provider\TwitchHelix;
 use Wohali\OAuth2\Client\Provider\Discord;
 
 enum SupportedOAuthProvider: string
@@ -25,7 +26,35 @@ enum SupportedOAuthProvider: string
     case LINKEDIN = LinkedIn::class;
     case MICROSOFT = Microsoft::class;
     case SLACK = Slack::class;
+    case TWITCH = TwitchHelix::class;
 
+    /**
+     * Returns the canonical name for the given OAuth provider. Required because some of the providers have mixed-case names.
+     *
+     * @return string|null The canonical name, or null if the provider is generic.
+     */
+    public function getName(): ?string
+    {
+        return match ($this) {
+            self::APPLE => 'Apple',
+            self::DISCORD => 'Discord',
+            self::FACEBOOK => 'Facebook',
+            self::GENERIC => null,
+            self::GITHUB => 'Github',
+            self::GOOGLE => 'Google',
+            self::INSTAGRAM => 'Instagram',
+            self::LINKEDIN => 'LinkedIn',
+            self::MICROSOFT => 'Microsoft',
+            self::SLACK => 'Slack',
+            self::TWITCH => 'Twitch',
+        };
+    }
+
+    /**
+     * Returns the Composer package name for the given OAuth provider.
+     *
+     * @return string|null The Composer package name, or null if the provider is generic.
+     */
     public function composerPackage(): ?string
     {
         return match ($this) {
@@ -39,6 +68,7 @@ public function composerPackage(): ?string
             self::LINKEDIN => 'league/oauth2-linkedin',
             self::MICROSOFT => 'stevenmaguire/oauth2-microsoft',
             self::SLACK => 'adam-paterson/oauth2-slack',
+            self::TWITCH => 'vertisan/oauth2-twitch-helix',
         };
     }
 }
diff --git a/tests/Integration/Auth/Installer/OAuthInstallerTest.php b/tests/Integration/Auth/Installer/OAuthInstallerTest.php
index 22e754b60..40a7eb5f1 100644
--- a/tests/Integration/Auth/Installer/OAuthInstallerTest.php
+++ b/tests/Integration/Auth/Installer/OAuthInstallerTest.php
@@ -121,6 +121,11 @@ public static function oauthProvider(): array
                 'expectedConfigPath' => 'App/Authentication/OAuth/slack.config.php',
                 'expectedControllerPath' => 'App/Authentication/OAuth/SlackController.php',
             ],
+            'twitch' => [
+                'provider' => SupportedOAuthProvider::TWITCH,
+                'expectedConfigPath' => 'App/Authentication/OAuth/twitch.config.php',
+                'expectedControllerPath' => 'App/Authentication/OAuth/TwitchController.php',
+            ],
         ];
     }
 }