diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 0b5e5e7..606b746 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -20,7 +20,7 @@ jobs:
     uses: sersoft-gmbh/oss-common-actions/.github/workflows/swift-generate-and-publish-docs.yml@main
     with:
       os: ubuntu
-      swift-version: '5.9'
+      swift-version: '5.10'
       organisation: ${{ github.repository_owner }}
       repository: ${{ github.event.repository.name }}
       pages-branch: gh-pages
diff --git a/.github/workflows/swift-test.yml b/.github/workflows/swift-test.yml
index 8c639b8..bd4118f 100644
--- a/.github/workflows/swift-test.yml
+++ b/.github/workflows/swift-test.yml
@@ -12,7 +12,7 @@ permissions:
 jobs:
   variables:
     outputs:
-      max-supported-swift-version: '5.9'
+      max-supported-swift-version: '5.10'
       xcode-scheme: path-wrangler-Package
       xcode-platform-version: latest
       fail-if-codecov-fails: true
@@ -25,7 +25,7 @@ jobs:
     strategy:
       matrix:
         os: [ macOS, ubuntu ]
-        swift-version-offset: [ 0 ]
+        swift-version-offset: [ 0, 1 ]
     uses: sersoft-gmbh/oss-common-actions/.github/workflows/swift-test-spm.yml@main
     with:
       os: ${{ matrix.os }}
@@ -45,7 +45,8 @@ jobs:
           - iPadOS
           - tvOS
           - watchOS
-        swift-version-offset: [ 0 ]
+          - visionOS
+        swift-version-offset: [ 0, 1 ]
     uses: sersoft-gmbh/oss-common-actions/.github/workflows/swift-test-xcode.yml@main
     with:
       xcode-scheme: ${{ needs.variables.outputs.xcode-scheme }}
diff --git a/Package.swift b/Package.swift
index 8d600bd..38e8512 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.9
+// swift-tools-version:5.10
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -8,9 +8,12 @@ let swiftSettings: Array<SwiftSetting> = [
     .enableUpcomingFeature("ExistentialAny"),
     .enableUpcomingFeature("BareSlashRegexLiterals"),
     .enableUpcomingFeature("DisableOutwardActorInference"),
+    .enableUpcomingFeature("IsolatedDefaultValues"),
+    .enableUpcomingFeature("DeprecateApplicationMain"),
+    .enableExperimentalFeature("StrictConcurrency"),
+    .enableExperimentalFeature("GlobalConcurrency"),
 //    .enableExperimentalFeature("AccessLevelOnImport"),
 //    .enableExperimentalFeature("VariadicGenerics"),
-//    .unsafeFlags(["-warn-concurrency"], .when(configuration: .debug)),
 ]
 
 let package = Package(
diff --git a/Package@swift-5.9.swift b/Package@swift-5.9.swift
new file mode 100644
index 0000000..f427576
--- /dev/null
+++ b/Package@swift-5.9.swift
@@ -0,0 +1,55 @@
+// swift-tools-version:5.9
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let swiftSettings: Array<SwiftSetting> = [
+    .enableUpcomingFeature("ConciseMagicFile"),
+    .enableUpcomingFeature("ExistentialAny"),
+    .enableUpcomingFeature("BareSlashRegexLiterals"),
+    .enableUpcomingFeature("DisableOutwardActorInference"),
+    .enableExperimentalFeature("StrictConcurrency"),
+//    .enableExperimentalFeature("AccessLevelOnImport"),
+//    .enableExperimentalFeature("VariadicGenerics"),
+]
+
+let package = Package(
+    name: "path-wrangler",
+    products: [
+        // Products define the executables and libraries produced by a package, and make them visible to other packages.
+        .library(
+            name: "CorePathWrangler",
+            targets: ["CorePathWrangler"]),
+        .library(
+            name: "PathWrangler",
+            targets: ["PathWrangler"]),
+    ],
+    dependencies: [
+        .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.0.0"),
+        .package(url: "https://github.com/apple/swift-algorithms", from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages which this package depends on.
+        .target(name: "CPathWrangler"),
+        .target(
+            name: "CorePathWrangler",
+            dependencies: [
+                .product(name: "Algorithms", package: "swift-algorithms"),
+                "CPathWrangler",
+            ],
+            swiftSettings: swiftSettings),
+        .target(
+            name: "PathWrangler",
+            dependencies: ["CorePathWrangler"],
+            swiftSettings: swiftSettings),
+        .testTarget(
+            name: "CorePathWranglerTests",
+            dependencies: ["CorePathWrangler"],
+            swiftSettings: swiftSettings),
+        .testTarget(
+            name: "PathWranglerTests",
+            dependencies: ["PathWrangler"],
+            swiftSettings: swiftSettings),
+    ]
+)
diff --git a/Tests/PathWranglerTests/FileManager+PathProtocolTests.swift b/Tests/PathWranglerTests/FileManager+PathProtocolTests.swift
index 73d64b7..e9d6b4e 100644
--- a/Tests/PathWranglerTests/FileManager+PathProtocolTests.swift
+++ b/Tests/PathWranglerTests/FileManager+PathProtocolTests.swift
@@ -2,15 +2,15 @@ import XCTest
 import PathWrangler
 
 final class FileManagerPathProtocolExtensionsTests: XCTestCase {
-    private func createFiles(in fileManager: FileManager) -> (absPath: AbsolutePath, relPath: RelativePath) {
+    private func createFiles() -> (absPath: AbsolutePath, relPath: RelativePath) {
         let fileName = UUID().uuidString
         let absPath = AbsolutePath.tmpDir.appending(pathComponents: fileName)
         let relPath = RelativePath.current.appending(pathComponents: fileName)
-        fileManager.createFile(atPath: relPath.pathString, contents: nil, attributes: nil)
-        fileManager.createFile(atPath: absPath.pathString, contents: nil, attributes: nil)
+        FileManager.default.createFile(atPath: relPath.pathString, contents: nil, attributes: nil)
+        FileManager.default.createFile(atPath: absPath.pathString, contents: nil, attributes: nil)
         addTeardownBlock {
-            try? fileManager.removeItem(atPath: relPath.pathString)
-            try? fileManager.removeItem(atPath: absPath.pathString)
+            try? FileManager.default.removeItem(atPath: relPath.pathString)
+            try? FileManager.default.removeItem(atPath: absPath.pathString)
         }
         return (absPath, relPath)
     }
@@ -24,24 +24,22 @@ final class FileManagerPathProtocolExtensionsTests: XCTestCase {
     }
 
     func testFileExistsAtPath() {
-        let fileManager = FileManager.default
-        let (absPath, relPath) = createFiles(in: fileManager)
-        XCTAssertTrue(fileManager.fileExists(at: absPath))
-        XCTAssertTrue(fileManager.fileExists(at: relPath))
-        XCTAssertFalse(fileManager.fileExists(at: AbsolutePath.tmpDir))
-        XCTAssertFalse(fileManager.fileExists(at: RelativePath.current))
-        XCTAssertFalse(fileManager.fileExists(at: AbsolutePath(pathString: "/d/e/f/")))
-        XCTAssertFalse(fileManager.fileExists(at: RelativePath(pathString: "d/e/f")))
+        let (absPath, relPath) = createFiles()
+        XCTAssertTrue(FileManager.default.fileExists(at: absPath))
+        XCTAssertTrue(FileManager.default.fileExists(at: relPath))
+        XCTAssertFalse(FileManager.default.fileExists(at: AbsolutePath.tmpDir))
+        XCTAssertFalse(FileManager.default.fileExists(at: RelativePath.current))
+        XCTAssertFalse(FileManager.default.fileExists(at: AbsolutePath(pathString: "/d/e/f/")))
+        XCTAssertFalse(FileManager.default.fileExists(at: RelativePath(pathString: "d/e/f")))
     }
 
     func testDirectoryExistsAtPath() {
-        let fileManager = FileManager.default
-        let (absPath, relPath) = createFiles(in: fileManager)
-        XCTAssertFalse(fileManager.directoryExists(at: absPath))
-        XCTAssertFalse(fileManager.directoryExists(at: relPath))
-        XCTAssertTrue(fileManager.directoryExists(at: AbsolutePath.tmpDir))
-        XCTAssertTrue(fileManager.directoryExists(at: RelativePath.current))
-        XCTAssertFalse(fileManager.directoryExists(at: AbsolutePath(pathString: "/g/h/i/")))
-        XCTAssertFalse(fileManager.directoryExists(at: RelativePath(pathString: "g/h/i")))
+        let (absPath, relPath) = createFiles()
+        XCTAssertFalse(FileManager.default.directoryExists(at: absPath))
+        XCTAssertFalse(FileManager.default.directoryExists(at: relPath))
+        XCTAssertTrue(FileManager.default.directoryExists(at: AbsolutePath.tmpDir))
+        XCTAssertTrue(FileManager.default.directoryExists(at: RelativePath.current))
+        XCTAssertFalse(FileManager.default.directoryExists(at: AbsolutePath(pathString: "/g/h/i/")))
+        XCTAssertFalse(FileManager.default.directoryExists(at: RelativePath(pathString: "g/h/i")))
     }
 }