diff --git a/testing/hosted_test/AppDelegate.swift b/testing/hosted_test/AppDelegate.swift
index 5ee9cab..bdfeb5a 100644
--- a/testing/hosted_test/AppDelegate.swift
+++ b/testing/hosted_test/AppDelegate.swift
@@ -3,7 +3,7 @@
 
 import UIKit
 
-@UIApplicationMain
+@main
 class AppDelegate: UIResponder, UIApplicationDelegate {
   var window: UIWindow?
 
diff --git a/testing/hosted_test/HostedTests.swift b/testing/hosted_test/HostedTests.swift
index 434f88f..1e6abc8 100644
--- a/testing/hosted_test/HostedTests.swift
+++ b/testing/hosted_test/HostedTests.swift
@@ -1,7 +1,8 @@
 
 import XCTest
+import Testing
 
-class Tests: XCTestCase {
+class XCTestDemo: XCTestCase {
   func testFailed() throws {
     XCTAssert(false)
   }
@@ -12,3 +13,15 @@ class Tests: XCTestCase {
     XCTAssert(true)
   }
 }
+
+@Suite struct SwiftTestingDemo {
+    @Test func failed() {
+        #expect(Bool(false))
+    }
+
+    @Test func window() {
+        // Accessing the host app
+        print(UIApplication.shared.windows)
+        #expect(Bool(true))
+    }
+}
diff --git a/testing/hosted_test/build_and_test.sh b/testing/hosted_test/build_and_test.sh
index ea4f221..9f0ae28 100755
--- a/testing/hosted_test/build_and_test.sh
+++ b/testing/hosted_test/build_and_test.sh
@@ -1,7 +1,9 @@
 #!/bin/zsh
-# This script was tested on Xcode 14.0
+# This script was tested on Xcode 16.0
 
-TARGET="x86_64-apple-ios14.0-simulator"
+set -e
+
+TARGET="arm64-apple-ios16.0-simulator"
 SDKROOT=$(xcrun --show-sdk-path --sdk iphonesimulator)
 PLATFORM_DIR="$(xcode-select -p)/Platforms/iPhoneSimulator.platform"
 TOOLCHAIN_DIR="$(xcode-select -p)/Toolchains/XcodeDefault.xctoolchain"
@@ -12,11 +14,16 @@ mkdir -p build/HostApp.app
 
 # Building the host app
 xcrun swiftc AppDelegate.swift ViewController.swift \
-    -sdk "$SDKROOT" -target "$TARGET" \
+    -sdk "$SDKROOT" \
+    -target "$TARGET" \
     -emit-executable \
+    -Xlinker -rpath -Xlinker @executable_path/Frameworks \
     -o "build/HostApp.app/HostApp"
 
-cp App-Info.plist build/HostApp.app/Info.plist
+ditto App-Info.plist build/HostApp.app/Info.plist
+
+# For Swift Testing, Testing.framework needs to be bundled with the host app
+ditto "$PLATFORM_DIR/Developer/Library/Frameworks/Testing.framework" build/HostApp.app/Frameworks/Testing.framework
 
 # Building the test
 mkdir -p build/HostApp.app/PlugIns/HostedTests.xctest
@@ -38,7 +45,7 @@ xcrun ld -bundle -o build/HostApp.app/PlugIns/HostedTests.xctest/HostedTests bui
 
 # Install the app
 xcrun simctl shutdown all
-xcrun simctl boot "iPhone 14 Pro"
+xcrun simctl boot "iPhone 16"
 xcrun simctl install booted "$(realpath build/HostApp.app)"
 
 # Launch the app and run the tests