diff --git a/includes/Core/Installer.php b/includes/Core/Installer.php
index 1d7f312..80b37f4 100644
--- a/includes/Core/Installer.php
+++ b/includes/Core/Installer.php
@@ -136,6 +136,7 @@ echo json_encode([
     'issuer'                                => get_site_url(),
     'authorization_endpoint'                => $base . '/oauth/authorize',
     'token_endpoint'                        => $base . '/oauth/token',
+    'registration_endpoint'                 => $base . '/oauth/register',
     'token_endpoint_auth_methods_supported' => ['client_secret_post', 'client_secret_basic', 'none'],
     'grant_types_supported'                 => ['authorization_code', 'client_credentials'],
     'response_types_supported'              => ['code'],