diff --git a/extension.toml b/extension.toml
index 8f63b5f..14dda7b 100644
--- a/extension.toml
+++ b/extension.toml
@@ -23,8 +23,9 @@ language_ids = { PHP = "php", Blade = "blade" }
 
 [language_servers.phpantom]
 name = "PHPantom"
-languages = ["PHP", "Blade"]
-language_ids = { PHP = "php", Blade = "blade" }
+languages = ["PHP", "Blade", "Twig", "YAML", "XML"]
+language_ids = { PHP = "php", Blade = "blade", Twig = "twig", YAML = "yaml", XML = "xml" }
+opt_in_languages = ["Twig", "YAML", "XML"]
 
 [debug_adapters.Xdebug]