// swift-tools-version:5.3
import PackageDescription

let package = Package(
    name: "SwiftDate",
    products: [
        .library(
            name: "SwiftDate",
            targets: ["SwiftDate"])
    ],
    dependencies: [],
    targets: [
        .target(
            name: "SwiftDate",
            dependencies: []
			resources: [
				.copy("Formatters/RelativeFormatter/langs")
			]),
        .testTarget(
            name: "SwiftDateTests",
            dependencies: ["SwiftDate"])
    ]
)

// swift-tools-version:5.1
import PackageDescription

let package = Package(
    name: "SwiftDate",
    products: [
        .library(
            name: "SwiftDate",
            targets: ["SwiftDate"])
    ],
    dependencies: [],
    targets: [
        .target(
            name: "SwiftDate",
            dependencies: []),
        .testTarget(
            name: "SwiftDateTests",
            dependencies: ["SwiftDate"])
    ]
)

--- 
+++ 
@@ -1,4 +1,4 @@
-// swift-tools-version:5.1
+// swift-tools-version:5.3
 import PackageDescription
 
 let package = Package(
@@ -12,7 +12,10 @@
     targets: [
         .target(
             name: "SwiftDate",
-            dependencies: []),
+            dependencies: []
+			resources: [
+				.copy("Formatters/RelativeFormatter/langs")
+			]),
         .testTarget(
             name: "SwiftDateTests",
             dependencies: ["SwiftDate"])
Add support for Swift PM 5.3 with langs bundle resources
