diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
new file mode 100644
index 0000000..0cbb9fe
--- /dev/null
+++ b/.github/workflows/pull_request.yml
@@ -0,0 +1,22 @@
+name: Pull request
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+jobs:
+  tests:
+    name: Test
+    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
+    with:
+      linux_build_command: "swift build"
+      linux_exclude_swift_versions: '[{"swift_version": "5.8"}, {"swift_version": "5.9"}, {"swift_version": "5.10"}]'
+      windows_build_command: "swift build"
+      windows_exclude_swift_versions: '[{"swift_version": "5.9"}, {"swift_version": "5.10"}]'
+  soundness:
+    name: Soundness
+    uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
+    with:
+      license_header_check_project_name: "Swift.org"
+      license_header_check_enabled: false
+      unacceptable_language_check_enabled: false
diff --git a/Package.swift b/Package.swift
index f174d20..06d305f 100644
--- a/Package.swift
+++ b/Package.swift
@@ -4,85 +4,86 @@
 import PackageDescription
 
 var buildSettings: [CXXSetting] = [
-    .define("DEBUG", to: "1", .when(configuration: .debug)),
-    .define("U_ATTRIBUTE_DEPRECATED", to: ""),
-    .define("U_SHOW_CPLUSPLUS_API", to: "1"),
-    .define("U_SHOW_INTERNAL_API", to: "1"),
-    .define("U_STATIC_IMPLEMENTATION"),
-    .define("U_TIMEZONE", to: "_timezone", .when(platforms: [.windows])),
-    .define("U_TIMEZONE", to: "timezone",
-            .when(platforms: [
-                .iOS,
-                .macOS,
-                .tvOS,
-                .watchOS,
-                .macCatalyst,
-                .driverKit,
-                .android,
-                .linux,
-            ])),
-    .define("U_TIMEZONE_PACKAGE", to: "\"icutz44l\""),
-    .define("U_HAVE_TZSET", to: "0", .when(platforms: [.wasi])),
-    .define("U_HAVE_TZNAME", to: "0", .when(platforms: [.wasi])),
-    .define("U_HAVE_TIMEZONE", to: "0", .when(platforms: [.wasi])),
-    .define("FORTIFY_SOURCE", to: "2"),
-    .define("STD_INSPIRED"),
-    .define("MAC_OS_X_VERSION_MIN_REQUIRED", to: "101500"),
-    .define("_WASI_EMULATED_SIGNAL", .when(platforms: [.wasi])),
-    .define("_WASI_EMULATED_MMAN", .when(platforms: [.wasi])),
-    .define("U_HAVE_STRTOD_L", to: "1"),
-    .define("U_HAVE_XLOCALE_H", to: "1"),
-    .define("U_HAVE_STRING_VIEW", to: "1"),
-    .define("U_DISABLE_RENAMING", to: "1"),
-    .define("U_COMBINED_IMPLEMENTATION"),
-    .define("U_COMMON_IMPLEMENTATION"),
-    .define("U_I18N_IMPLEMENTATION"),
-    .define("U_IO_IMPLEMENTATION"),
-    .define("HAVE_DLFCN_H", to: "0", .when(platforms: [.wasi])),
-    .define("HAVE_DLOPEN", to: "0", .when(platforms: [.wasi])),
-    .define("U_ENABLE_DYLOAD", to: "0", .when(platforms: [.wasi])),
+  .define("DEBUG", to: "1", .when(configuration: .debug)),
+  .define("U_ATTRIBUTE_DEPRECATED", to: ""),
+  .define("U_SHOW_CPLUSPLUS_API", to: "1"),
+  .define("U_SHOW_INTERNAL_API", to: "1"),
+  .define("U_STATIC_IMPLEMENTATION"),
+  .define("U_TIMEZONE", to: "_timezone", .when(platforms: [.windows])),
+  .define(
+    "U_TIMEZONE", to: "timezone",
+    .when(platforms: [
+      .iOS,
+      .macOS,
+      .tvOS,
+      .watchOS,
+      .macCatalyst,
+      .driverKit,
+      .android,
+      .linux,
+    ])),
+  .define("U_TIMEZONE_PACKAGE", to: "\"icutz44l\""),
+  .define("U_HAVE_TZSET", to: "0", .when(platforms: [.wasi])),
+  .define("U_HAVE_TZNAME", to: "0", .when(platforms: [.wasi])),
+  .define("U_HAVE_TIMEZONE", to: "0", .when(platforms: [.wasi])),
+  .define("FORTIFY_SOURCE", to: "2"),
+  .define("STD_INSPIRED"),
+  .define("MAC_OS_X_VERSION_MIN_REQUIRED", to: "101500"),
+  .define("_WASI_EMULATED_SIGNAL", .when(platforms: [.wasi])),
+  .define("_WASI_EMULATED_MMAN", .when(platforms: [.wasi])),
+  .define("U_HAVE_STRTOD_L", to: "1"),
+  .define("U_HAVE_XLOCALE_H", to: "1"),
+  .define("U_HAVE_STRING_VIEW", to: "1"),
+  .define("U_DISABLE_RENAMING", to: "1"),
+  .define("U_COMBINED_IMPLEMENTATION"),
+  .define("U_COMMON_IMPLEMENTATION"),
+  .define("U_I18N_IMPLEMENTATION"),
+  .define("U_IO_IMPLEMENTATION"),
+  .define("HAVE_DLFCN_H", to: "0", .when(platforms: [.wasi])),
+  .define("HAVE_DLOPEN", to: "0", .when(platforms: [.wasi])),
+  .define("U_ENABLE_DYLOAD", to: "0", .when(platforms: [.wasi])),
 
-    // Where data are stored
-    .define("ICU_DATA_DIR", to: "\"/usr/share/icu/\""),
-    .define("USE_PACKAGE_DATA", to: "1"),
-    .define("APPLE_ICU_CHANGES", to: "1"),
-    
-    .headerSearchPath("common"),
-    .headerSearchPath("io"),
-    .headerSearchPath("i18n"),
-    .define("SWIFT_PACKAGE", to: "1", .when(platforms: [.linux])),
+  // Where data are stored
+  .define("ICU_DATA_DIR", to: "\"/usr/share/icu/\""),
+  .define("USE_PACKAGE_DATA", to: "1"),
+  .define("APPLE_ICU_CHANGES", to: "1"),
+
+  .headerSearchPath("common"),
+  .headerSearchPath("io"),
+  .headerSearchPath("i18n"),
+  .define("SWIFT_PACKAGE", to: "1", .when(platforms: [.linux])),
 ]
 
 #if os(Windows)
-buildSettings.append(contentsOf: [
+  buildSettings.append(contentsOf: [
     .define("_CRT_SECURE_NO_DEPRECATE"),
     .define("U_PLATFORM_USES_ONLY_WIN32_API"),
-])
+  ])
 #endif
 
 let linkerSettings: [LinkerSetting] = [
-    .linkedLibrary("wasi-emulated-signal", .when(platforms: [.wasi])),
-    .linkedLibrary("wasi-emulated-mman", .when(platforms: [.wasi])),
+  .linkedLibrary("wasi-emulated-signal", .when(platforms: [.wasi])),
+  .linkedLibrary("wasi-emulated-mman", .when(platforms: [.wasi])),
 ]
 
 let package = Package(
-    name: "FoundationICU",
-    products: [
-        .library(
-            name: "_FoundationICU",
-            targets: [
-                "_FoundationICU"
-            ]
-        )
-    ],
-    targets: [
-        .target(
-            name: "_FoundationICU",
-            path: "icuSources",
-            exclude: ["stubdata"],
-            cxxSettings: buildSettings,
-            linkerSettings: linkerSettings
-        )
-    ],
-    cxxLanguageStandard: .cxx14
+  name: "FoundationICU",
+  products: [
+    .library(
+      name: "_FoundationICU",
+      targets: [
+        "_FoundationICU"
+      ]
+    )
+  ],
+  targets: [
+    .target(
+      name: "_FoundationICU",
+      path: "icuSources",
+      exclude: ["stubdata"],
+      cxxSettings: buildSettings,
+      linkerSettings: linkerSettings
+    )
+  ],
+  cxxLanguageStandard: .cxx14
 )