diff --git a/Package.swift b/Package.swift
index 69332c6..e97f6c3 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,9 +1,9 @@
-// swift-tools-version:5.4
+// swift-tools-version:5.6
 //===----------------------------------------------------------------------===//
 //
 // This source file is part of the SwiftNIO open source project
 //
-// Copyright (c) 2017-2021 Apple Inc. and the SwiftNIO project authors
+// Copyright (c) 2017-2022 Apple Inc. and the SwiftNIO project authors
 // Licensed under Apache License v2.0
 //
 // See LICENSE.txt for license information
@@ -120,6 +120,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-nio.git", from: "2.34.0"),
+        .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.0.0"),
     ],
     targets: targets
 )
diff --git a/Package@swift-5.4.swift b/Package@swift-5.4.swift
new file mode 100644
index 0000000..b7dd215
--- /dev/null
+++ b/Package@swift-5.4.swift
@@ -0,0 +1,125 @@
+// swift-tools-version:5.4
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the SwiftNIO open source project
+//
+// Copyright (c) 2017-2022 Apple Inc. and the SwiftNIO project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
+import PackageDescription
+
+var targets: [PackageDescription.Target] = [
+    .target(
+        name: "NIOExtras",
+        dependencies: [
+            .product(name: "NIO", package: "swift-nio"),
+            .product(name: "NIOCore", package: "swift-nio"),
+        ]),
+    .target(
+        name: "NIOHTTPCompression",
+        dependencies: [
+            "CNIOExtrasZlib",
+            .product(name: "NIO", package: "swift-nio"),
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+        ]),
+    .executableTarget(
+        name: "HTTPServerWithQuiescingDemo",
+        dependencies: [
+            "NIOExtras",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+        ]),
+    .executableTarget(
+        name: "NIOWritePCAPDemo",
+        dependencies: [
+            "NIOExtras",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+        ]),
+    .executableTarget(
+        name: "NIOWritePartialPCAPDemo",
+        dependencies: [
+            "NIOExtras",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+        ]),
+    .executableTarget(
+        name: "NIOExtrasPerformanceTester",
+        dependencies: [
+            "NIOExtras",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            .product(name: "NIOEmbedded", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+        ]),
+    .target(
+        name: "NIOSOCKS",
+        dependencies: [
+            .product(name: "NIO", package: "swift-nio"),
+            .product(name: "NIOCore", package: "swift-nio"),
+        ]),
+    .executableTarget(
+        name: "NIOSOCKSClient",
+        dependencies: [
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            "NIOSOCKS"
+        ]),
+    .target(
+        name: "CNIOExtrasZlib",
+        dependencies: [],
+        linkerSettings: [
+            .linkedLibrary("z")
+        ]),
+    .testTarget(
+        name: "NIOExtrasTests",
+        dependencies: [
+            "NIOExtras",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOEmbedded", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            .product(name: "NIOTestUtils", package: "swift-nio"),
+            .product(name: "NIOConcurrencyHelpers", package: "swift-nio"),
+        ]),
+    .testTarget(
+        name: "NIOHTTPCompressionTests",
+        dependencies: [
+            "CNIOExtrasZlib",
+            "NIOHTTPCompression",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOEmbedded", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+            .product(name: "NIOConcurrencyHelpers", package: "swift-nio"),
+        ]),
+    .testTarget(
+        name: "NIOSOCKSTests",
+        dependencies: [
+            "NIOSOCKS",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOEmbedded", package: "swift-nio"),
+        ])
+]
+
+let package = Package(
+    name: "swift-nio-extras",
+    products: [
+        .library(name: "NIOExtras", targets: ["NIOExtras"]),
+        .library(name: "NIOSOCKS", targets: ["NIOSOCKS"]),
+        .library(name: "NIOHTTPCompression", targets: ["NIOHTTPCompression"]),
+    ],
+    dependencies: [
+        .package(url: "https://github.com/apple/swift-nio.git", from: "2.34.0"),
+    ],
+    targets: targets
+)
diff --git a/Package@swift-5.5.swift b/Package@swift-5.5.swift
new file mode 100644
index 0000000..5753803
--- /dev/null
+++ b/Package@swift-5.5.swift
@@ -0,0 +1,125 @@
+// swift-tools-version:5.5
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the SwiftNIO open source project
+//
+// Copyright (c) 2017-2022 Apple Inc. and the SwiftNIO project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
+import PackageDescription
+
+var targets: [PackageDescription.Target] = [
+    .target(
+        name: "NIOExtras",
+        dependencies: [
+            .product(name: "NIO", package: "swift-nio"),
+            .product(name: "NIOCore", package: "swift-nio"),
+        ]),
+    .target(
+        name: "NIOHTTPCompression",
+        dependencies: [
+            "CNIOExtrasZlib",
+            .product(name: "NIO", package: "swift-nio"),
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+        ]),
+    .executableTarget(
+        name: "HTTPServerWithQuiescingDemo",
+        dependencies: [
+            "NIOExtras",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+        ]),
+    .executableTarget(
+        name: "NIOWritePCAPDemo",
+        dependencies: [
+            "NIOExtras",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+        ]),
+    .executableTarget(
+        name: "NIOWritePartialPCAPDemo",
+        dependencies: [
+            "NIOExtras",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+        ]),
+    .executableTarget(
+        name: "NIOExtrasPerformanceTester",
+        dependencies: [
+            "NIOExtras",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            .product(name: "NIOEmbedded", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+        ]),
+    .target(
+        name: "NIOSOCKS",
+        dependencies: [
+            .product(name: "NIO", package: "swift-nio"),
+            .product(name: "NIOCore", package: "swift-nio"),
+        ]),
+    .executableTarget(
+        name: "NIOSOCKSClient",
+        dependencies: [
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            "NIOSOCKS"
+        ]),
+    .target(
+        name: "CNIOExtrasZlib",
+        dependencies: [],
+        linkerSettings: [
+            .linkedLibrary("z")
+        ]),
+    .testTarget(
+        name: "NIOExtrasTests",
+        dependencies: [
+            "NIOExtras",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOEmbedded", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
+            .product(name: "NIOTestUtils", package: "swift-nio"),
+            .product(name: "NIOConcurrencyHelpers", package: "swift-nio"),
+        ]),
+    .testTarget(
+        name: "NIOHTTPCompressionTests",
+        dependencies: [
+            "CNIOExtrasZlib",
+            "NIOHTTPCompression",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOEmbedded", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio"),
+            .product(name: "NIOConcurrencyHelpers", package: "swift-nio"),
+        ]),
+    .testTarget(
+        name: "NIOSOCKSTests",
+        dependencies: [
+            "NIOSOCKS",
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOEmbedded", package: "swift-nio"),
+        ])
+]
+
+let package = Package(
+    name: "swift-nio-extras",
+    products: [
+        .library(name: "NIOExtras", targets: ["NIOExtras"]),
+        .library(name: "NIOSOCKS", targets: ["NIOSOCKS"]),
+        .library(name: "NIOHTTPCompression", targets: ["NIOHTTPCompression"]),
+    ],
+    dependencies: [
+        .package(url: "https://github.com/apple/swift-nio.git", from: "2.34.0"),
+    ],
+    targets: targets
+)
diff --git a/docker/docker-compose.1804.54.yaml b/docker/docker-compose.1804.54.yaml
index d607fb6..eb9c80a 100644
--- a/docker/docker-compose.1804.54.yaml
+++ b/docker/docker-compose.1804.54.yaml
@@ -12,6 +12,7 @@ services:
 
   test:
     image: swift-nio-extras:18.04-5.4
+    command: /bin/bash -xcl "cat /etc/lsb-release && swift -version && swift test -Xswiftc -warnings-as-errors $${SANITIZER_ARG-}"
 
   shell:
     image: swift-nio-extras:18.04-5.4
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index d481383..06b042b 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -28,7 +28,7 @@ services:
 
   test:
     <<: *common
-    command: /bin/bash -xcl "cat /etc/lsb-release && swift -version && swift test -Xswiftc -warnings-as-errors $${SANITIZER_ARG-}"
+    command: /bin/bash -xcl "cat /etc/lsb-release && swift -version && swift test -Xswiftc -warnings-as-errors --enable-test-discovery $${SANITIZER_ARG-}"
 
   # util
 
diff --git a/scripts/soundness.sh b/scripts/soundness.sh
index 0b24249..96136a6 100755
--- a/scripts/soundness.sh
+++ b/scripts/soundness.sh
@@ -71,7 +71,7 @@ for language in swift-or-c bash dtrace; do
   matching_files=( -name '*' )
   case "$language" in
       swift-or-c)
-        exceptions=( -name c_nio_http_parser.c -o -name c_nio_http_parser.h -o -name cpp_magic.h -o -name Package.swift -o -name CNIOSHA1.h -o -name c_nio_sha1.c -o -name ifaddrs-android.c -o -name ifaddrs-android.h)
+        exceptions=( -name c_nio_http_parser.c -o -name c_nio_http_parser.h -o -name cpp_magic.h -o -name Package.swift -o -name CNIOSHA1.h -o -name c_nio_sha1.c -o -name ifaddrs-android.c -o -name ifaddrs-android.h -o -name 'Package@swift*.swift')
         matching_files=( -name '*.swift' -o -name '*.c' -o -name '*.h' )
         cat > "$tmp" <<"EOF"
 //===----------------------------------------------------------------------===//