diff --git a/core/install_location.gd b/core/install_location.gd
new file mode 100644
index 0000000..4049927
--- /dev/null
+++ b/core/install_location.gd
@@ -0,0 +1,8 @@
+## Stub mirroring OpenGamepadUI's nested Library.InstallLocation class.
+## Required only so the plugin's GDScript type annotation `InstallLocation`
+## compiles against a global class and resolves at runtime from the plugin
+## pack (OGPU has no top-level InstallLocation global class).
+class_name InstallLocation
+
+var id: String = ""
+var path: String = ""
diff --git a/plugin.json b/plugin.json
index 779725c..60b5275 100644
--- a/plugin.json
+++ b/plugin.json
@@ -2,7 +2,7 @@
   "plugin.id": "itch",
   "plugin.name": "itch.io",
   "plugin.version": "0.1.0",
-  "plugin.min-api-version": "2.0.0",
+  "plugin.min-api-version": "1.1.0",
   "plugin.link": "https://github.com/YOUR_USERNAME/OpenGamepadUI-itch",
   "plugin.source": "https://github.com/YOUR_USERNAME/OpenGamepadUI-itch",
   "plugin.description": "itch.io library for OpenGamepadUI. Browse, install, update, and launch your itch.io games using butlerd, itch's official JSON-RPC launcher daemon.",