diff --git a/Immutable.podspec b/Immutable.podspec
index 5285d17..cafeb4c 100644
--- a/Immutable.podspec
+++ b/Immutable.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'Immutable'
-  s.version          = '0.6.0'
+  s.version          = '0.7.0'
   s.summary          = 'Not yet implemented functions in Swift.'
   s.homepage         = 'https://github.com/devxoul/Immutable'
   s.license          = { :type => 'MIT', :file => 'LICENSE' }
@@ -10,7 +10,7 @@ Pod::Spec.new do |s|
   s.source_files     = "Sources/**/*.swift"
   s.swift_version    = "5.0"
 
-  s.ios.deployment_target = '8.0'
+  s.ios.deployment_target = '9.0'
   s.osx.deployment_target = '10.11'
   s.tvos.deployment_target = '9.0'
   s.watchos.deployment_target = '2.0'
diff --git a/Package@swift-5.3.swift b/Package@swift-5.3.swift
new file mode 100644
index 0000000..5c91248
--- /dev/null
+++ b/Package@swift-5.3.swift
@@ -0,0 +1,18 @@
+// swift-tools-version:5.3
+
+import PackageDescription
+
+let package = Package(
+  name: "Immutable",
+  platforms: [
+    .macOS(.v10_10), .iOS(.v9), .tvOS(.v9)
+  ],
+  products: [
+    .library(name: "Immutable", targets: ["Immutable"]),
+  ],
+  targets: [
+    .target(name: "Immutable"),
+    .testTarget(name: "ImmutableTests", dependencies: ["Immutable"]),
+  ],
+  swiftLanguageVersions: [.v5]
+)