diff --git a/src/xpkg-loader.cppm b/src/xpkg-loader.cppm
index 71b433d..ac22d33 100644
--- a/src/xpkg-loader.cppm
+++ b/src/xpkg-loader.cppm
@@ -153,6 +153,7 @@ PackageType parse_type(const std::string& s) {
     if (s == "script")   return PackageType::Script;
     if (s == "template") return PackageType::Template;
     if (s == "config")   return PackageType::Config;
+    if (s == "subos")    return PackageType::Subos;
     return PackageType::Package;
 }
 
diff --git a/src/xpkg.cppm b/src/xpkg.cppm
index 11cb3fa..1c62e72 100644
--- a/src/xpkg.cppm
+++ b/src/xpkg.cppm
@@ -9,7 +9,7 @@ export module mcpplibs.xpkg;
 
 export namespace mcpplibs::xpkg {
 
-enum class PackageType   { Package, Script, Template, Config };
+enum class PackageType   { Package, Script, Template, Config, Subos };
 enum class PackageStatus { Dev, Stable, Deprecated };
 
 struct PlatformResource {