diff --git a/Package.swift b/Package.swift
new file mode 100644
index 0000000..2f96ff5
--- /dev/null
+++ b/Package.swift
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+//  swift-tools-version:4.1
+//
+//  Package.swift
+//  ImageLoader
+//
+//  Created by Hirohisa Kawasaki on 4/8/18.
+//  Copyright © 2018 Hirohisa Kawasaki. All rights reserved.
+//
+
+import PackageDescription
+
+let package = Package(
+    name: "ImageLoader",
+    swiftLanguageVersions: [4]
+)