// swift-tools-version:5.3
import PackageDescription

let package = Package(
    name: "Ashton",
    platforms: [.iOS("13.4"), .macOS(.v10_15)],
    products: [
        .library(
            name: "Ashton",
            targets: ["Ashton"]),
    ],
    targets: [
        .target(
            name: "Ashton",
            dependencies: [],
            path: "Sources"),
        .testTarget(
            name: "AshtonTests",
            dependencies: ["Ashton"],
            path: "Tests",
            exclude: ["TestFiles", "AshtonBenchmark", "Bridging.h", "AshtonBenchmarkTests.swift"]),
    ]
)

// swift-tools-version:5.1
import PackageDescription

let package = Package(
    name: "Ashton",
    platforms: [.iOS("13.4"), .macOS(.v10_15)],
    products: [
        .library(
            name: "Ashton",
            targets: ["Ashton"]),
    ],
    targets: [
        .target(
            name: "Ashton",
            dependencies: [],
            path: "Sources"),
        .testTarget(
            name: "AshtonTests",
            dependencies: ["Ashton"],
            path: "Tests",
            exclude: ["TestFiles", "AshtonBenchmark", "Bridging.h", "AshtonBenchmarkTests.swift"]),
    ]
)

Change swift version in package to swift 5.1
Change swift version in package to swift 5.1
