diff --git a/Package@swift-5.9.swift b/Package@swift-5.9.swift
index 4e2e3bcf..f28a8f8b 100644
--- a/Package@swift-5.9.swift
+++ b/Package@swift-5.9.swift
@@ -20,7 +20,7 @@ let targets: [Target] = [
 let package = Package(
     name: "ZIPFoundation",
     platforms: [
-        .macOS(.v10_11), .iOS(.v9), .tvOS(.v9), .watchOS(.v2), .visionOS(.v1)
+        .macOS(.v10_13), .iOS(.v11), .tvOS(.v11), .watchOS(.v4), .visionOS(.v1)
     ],
     products: [
         .library(name: "ZIPFoundation", targets: ["ZIPFoundation"])