diff --git a/Modules/RSTree/Package.swift b/Modules/RSTree/Package.swift
index af87faab7..489b0267c 100644
--- a/Modules/RSTree/Package.swift
+++ b/Modules/RSTree/Package.swift
@@ -1,8 +1,10 @@
 // swift-tools-version:5.10
+
 import PackageDescription
 
 let package = Package(
 	name: "RSTree",
+	platforms: [.macOS(.v14), .iOS(.v17)],
 	products: [
 		.library(
 			name: "RSTree",