diff --git a/AssistantKit/Classes/OS.swift b/AssistantKit/Classes/OS.swift
index 736dc67..03fdcf0 100644
--- a/AssistantKit/Classes/OS.swift
+++ b/AssistantKit/Classes/OS.swift
@@ -6,7 +6,7 @@
 //  Copyright © 2016 Anatoliy Voropay. All rights reserved.
 //
 
-import Foundation
+import UIKit
 
 /// Detecting iOS version
 extension Device {
diff --git a/AssistantKit/Classes/Type.swift b/AssistantKit/Classes/Type.swift
index 98e45a3..6181a23 100644
--- a/AssistantKit/Classes/Type.swift
+++ b/AssistantKit/Classes/Type.swift
@@ -6,7 +6,7 @@
 //  Copyright © 2016 Anatoliy Voropay. All rights reserved.
 //
 
-import Foundation
+import UIKit
 
 /// Device types
 ///
diff --git a/Package.swift b/Package.swift
new file mode 100644
index 0000000..02e51ba
--- /dev/null
+++ b/Package.swift
@@ -0,0 +1,27 @@
+// swift-tools-version:5.3
+
+import PackageDescription
+
+let package = Package(
+    name: "AssistantKit",
+    platforms: [
+        .iOS(.v9),
+    ],
+    products: [
+        .library(
+            name: "AssistantKit",
+            targets: ["AssistantKit"]
+        ),
+    ],
+    dependencies: [],
+    targets: [
+        .target(
+            name: "AssistantKit",
+            dependencies: [],
+            path: "AssistantKit",
+            sources: [
+                "Classes",
+            ]
+        ),
+    ]
+)