diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d9068ed..1569b18 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,29 +25,29 @@ jobs:
     name: macOS
     runs-on: firebreak
     env:
-      DEVELOPER_DIR: /Applications/Xcode_14.3.1.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_15.0.app/Contents/Developer
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: SPM Test
         run: swift test -c debug --sanitize=thread
   Linux:
     name: Linux
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     container:
-      image: swift:5.8.1-jammy
+      image: swift:5.9.0-jammy
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: SPM Linux Test
         run: swift test -c debug
   Linux_Nightly:
     name: Linux Nightly
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     container:
       image: swiftlang/swift:nightly-jammy
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: SPM Linux Test
         run: swift test -c debug
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b7e291a..a6c8415 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,10 +9,10 @@ jobs:
     name: Upload Release Artifact
     runs-on: firebreak
     env:
-      DEVELOPER_DIR: /Applications/Xcode_14.3.1.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_15.0.app/Contents/Developer
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build for Release
         run: swift build -c release --arch arm64 --arch x86_64
       - name: "Strip Artifact"
diff --git a/.swiftformat b/.swiftformat
index bad8828..8402d47 100644
--- a/.swiftformat
+++ b/.swiftformat
@@ -1,7 +1,7 @@
 # file options
 
 --symlinks ignore
---swiftversion 5.8
+--swiftversion 5.9
 
 # rules
 --enable isEmpty
@@ -10,7 +10,6 @@
 
 # format options
 
---closingparen same-line
 --commas inline
 --comments indent
 --decimalgrouping 3,5
diff --git a/Package.resolved b/Package.resolved
index a1c2254..d42bee0 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -5,8 +5,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/swift-server/async-http-client.git",
       "state" : {
-        "revision" : "78db67e5bf4a8543075787f228e8920097319281",
-        "version" : "1.18.0"
+        "revision" : "16f7e62c08c6969899ce6cc277041e868364e5cf",
+        "version" : "1.19.0"
       }
     },
     {
@@ -23,8 +23,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/vapor/console-kit.git",
       "state" : {
-        "revision" : "447f1046fb4e9df40973fe426ecb24a6f0e8d3b4",
-        "version" : "4.6.0"
+        "revision" : "d4b580e466c61f82a46d6bcc0b356add388f7ad2",
+        "version" : "4.8.1"
       }
     },
     {
@@ -50,8 +50,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-algorithms.git",
       "state" : {
-        "revision" : "b14b7f4c528c942f121c8b860b9410b2bf57825e",
-        "version" : "1.0.0"
+        "revision" : "bcd4f369ac962bc3e5244c9df778739f8f5bdbf1",
+        "version" : "1.1.0"
       }
     },
     {
@@ -59,17 +59,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-atomics.git",
       "state" : {
-        "revision" : "6c89474e62719ddcc1e9614989fff2f68208fe10",
-        "version" : "1.1.0"
-      }
-    },
-    {
-      "identity" : "swift-backtrace",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/swift-server/swift-backtrace.git",
-      "state" : {
-        "revision" : "f25620d5d05e2f1ba27154b40cafea2b67566956",
-        "version" : "1.3.3"
+        "revision" : "cd142fd2f64be2100422d658e7411e39489da985",
+        "version" : "1.2.0"
       }
     },
     {
@@ -77,8 +68,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-collections.git",
       "state" : {
-        "revision" : "937e904258d22af6e447a0b72c0bc67583ef64a2",
-        "version" : "1.0.4"
+        "revision" : "a902f1823a7ff3c9ab2fba0f992396b948eda307",
+        "version" : "1.0.5"
       }
     },
     {
@@ -86,8 +77,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-crypto.git",
       "state" : {
-        "revision" : "60f13f60c4d093691934dc6cfdf5f508ada1f894",
-        "version" : "2.6.0"
+        "revision" : "b51f1d6845b353a2121de1c6a670738ec33561a6",
+        "version" : "3.1.0"
       }
     },
     {
@@ -113,8 +104,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-nio.git",
       "state" : {
-        "revision" : "cf281631ff10ec6111f2761052aa81896a83a007",
-        "version" : "2.58.0"
+        "revision" : "3db5c4aeee8100d2db6f1eaf3864afdad5dc68fd",
+        "version" : "2.59.0"
       }
     },
     {
@@ -122,8 +113,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-nio-extras.git",
       "state" : {
-        "revision" : "0e0d0aab665ff1a0659ce75ac003081f2b1c8997",
-        "version" : "1.19.0"
+        "revision" : "fb70a0f5e984f23be48b11b4f1909f3bee016178",
+        "version" : "1.19.1"
       }
     },
     {
@@ -131,8 +122,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-nio-http2.git",
       "state" : {
-        "revision" : "a8ccf13fa62775277a5d56844878c828bbb3be1a",
-        "version" : "1.27.0"
+        "revision" : "3798fe5f1564f27461390b4f6163f6ddfb21fd2d",
+        "version" : "1.28.0"
       }
     },
     {
@@ -167,8 +158,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/vapor/vapor.git",
       "state" : {
-        "revision" : "1bb4a2ed94bec7a92f92e82896408c785d068f5c",
-        "version" : "4.79.0"
+        "revision" : "61c8104bf688439e4f3f793c9d0746f11d9f846a",
+        "version" : "4.84.5"
       }
     },
     {
diff --git a/Sources/Compression.swift b/Sources/Compression.swift
index bea8b94..f05eae6 100644
--- a/Sources/Compression.swift
+++ b/Sources/Compression.swift
@@ -1,5 +1,5 @@
 //
-//  BasicAuth.swift
+//  Compression.swift
 //
 //  Copyright (c) 2020 Alamofire Software Foundation (http://alamofire.org/)
 //
diff --git a/Sources/Download.swift b/Sources/Download.swift
index a46e2ee..f716dde 100644
--- a/Sources/Download.swift
+++ b/Sources/Download.swift
@@ -46,11 +46,11 @@ func createDownloadRoutes(for app: Application) throws {
             let byteCount = range.ranges.reduce(0) { result, value in
                 switch value {
                 case let .start(value):
-                    return result + (totalCount - value)
+                    result + (totalCount - value)
                 case let .tail(value):
-                    return result + value
+                    result + value
                 case let .within(start, end):
-                    return result + (end - start)
+                    result + (end - start)
                 }
             }
 
diff --git a/Sources/Images.swift b/Sources/Images.swift
index 1abbf49..a609b2d 100644
--- a/Sources/Images.swift
+++ b/Sources/Images.swift
@@ -47,63 +47,63 @@ private enum Image: String, Decodable {
     var contentType: HTTPMediaType {
         switch self {
         case .avif:
-            return HTTPMediaType(type: "image", subType: "avif")
+            HTTPMediaType(type: "image", subType: "avif")
         case .bmp:
-            return HTTPMediaType(type: "image", subType: "x-ms-bmp")
+            HTTPMediaType(type: "image", subType: "x-ms-bmp")
         case .jp2:
-            return HTTPMediaType(type: "image", subType: "jp2")
+            HTTPMediaType(type: "image", subType: "jp2")
         case .jpeg:
-            return .jpeg
+            .jpeg
         case .jxl:
-            return HTTPMediaType(type: "image", subType: "jxl")
+            HTTPMediaType(type: "image", subType: "jxl")
         case .gif:
-            return .gif
+            .gif
         case .heic:
-            return HTTPMediaType(type: "image", subType: "heic")
+            HTTPMediaType(type: "image", subType: "heic")
         case .heif:
-            return HTTPMediaType(type: "image", subType: "heif")
+            HTTPMediaType(type: "image", subType: "heif")
         case .pdf:
-            return .pdf
+            .pdf
         case .png:
-            return .png
+            .png
         case .tiff:
-            return HTTPMediaType(type: "image", subType: "tiff")
+            HTTPMediaType(type: "image", subType: "tiff")
         case .webp:
-            return HTTPMediaType(type: "image", subType: "webp")
+            HTTPMediaType(type: "image", subType: "webp")
         }
     }
 
     var encodedImage: String {
         switch self {
         case .avif:
-            return """
+            """
             AAAAIGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZk1BMUIAAADybWV0YQAAAAAAAAAoaGRscgAAAAAAAAAAcGljdAAAAAAAAAAAAAAAAGxpYmF\
             2aWYAAAAADnBpdG0AAAAAAAEAAAAeaWxvYwAAAABEAAABAAEAAAABAAABGgAAAB0AAAAoaWluZgAAAAAAAQAAABppbmZlAgAAAAABAABhdj\
             AxQ29sb3IAAAAAamlwcnAAAABLaXBjbwAAABRpc3BlAAAAAAAAAAIAAAACAAAAEHBpeGkAAAAAAwgICAAAAAxhdjFDgQ0MAAAAABNjb2xyb\
             mNseAACAAIAAYAAAAAXaXBtYQAAAAAAAAABAAEEAQKDBAAAACVtZGF0EgAKCBgANogQEAwgMg8f8D///8WfhwB8+ErK42A=
             """
         case .bmp:
-            return "Qk0eAAAAAAAAABoAAAAMAAAAAQABAAEAGAAAAP8A"
+            "Qk0eAAAAAAAAABoAAAAMAAAAAQABAAEAGAAAAP8A"
         case .jp2:
-            return """
+            """
             AAAADGpQICANCocKAAAAFGZ0eXBqcDIgAAAAAGpwMiAAAAAtanAyaAAAABZpaGRyAAAAAQAAAAEAAwcHAAAAAAAPY29scgEAAAAAABA\
             AAAAAanAyY/9P/1EALwAAAAAAAQAAAAEAAAAAAAAAAAAAAAEAAAABAAAAAAAAAAAAAwcBAQcBAQcBAf9cAA1AQEhIUEhIUEhIUP9SAA\
             wAAAABAQMEBAAB/2QADgABTFRfSlAyXzIyMP+QAAoAAAAAAB0AAf+T34AIB4CAgICAgICAgICA/9k=
             """
         case .jpeg:
-            return """
+            """
             /9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAA\
             BAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=
             """
         case .jxl:
-            return """
+            """
             /wo6HwGRCAYBAKQBC4ALbNQxslZLlFdAkOAPoAehB5BJcYD1Lo0WYXbZB4vCxGjuQc6x/4UgLq5cjpgHPfUXsGDCgv45dgEZBArgt1YI\
             436HAHKD5uNY+OGH8BV0jPMRJGl0oiUXUAHBDV4eWQQw6vhLEg4A
             """
         case .gif:
-            return "R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="
+            "R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="
         case .heic:
-            return """
+            """
             AAAAGGZ0eXBoZWljAAAAAGhlaWNtaWYxAAABtW1ldGEAAAAAAAAAImhkbHIAAAAAAAAAAHBpY3QAAAAAAAAAAAAAAAAAAAAAACRkaW5\
             mAAAAHGRyZWYAAAAAAAAAAQAAAAx1cmwgAAAAAQAAAA5waXRtAAAAAAABAAAAOGlpbmYAAAAAAAIAAAAVaW5mZQIAAAAAAQAAaHZjMQ\
             AAAAAVaW5mZQIAAAEAAgAARXhpZgAAAAAaaXJlZgAAAAAAAAAOY2RzYwACAAEAAQAAANdpcHJwAAAAt2lwY28AAAATY29scm5jbHgAA\
@@ -114,7 +114,7 @@ private enum Image: String, Decodable {
             8K8K8K8K8K8K8K8+8h9YbnhyPHF8zZ/kV9X
             """
         case .heif:
-            return """
+            """
             AAAAGGZ0eXBoZWljAAAAAG1pZjFoZWljAAABKm1ldGEAAAAAAAAAIWhkbHIAAAAAAAAAAHBpY3QAXABjADEANQB4ADIAAAAADnBpdG0\
             AAAAAAAEAAAAiaWxvYwAAAABEQAABAAEAAAAAAUoAAQAAAAAAAAA4AAAAI2lpbmYAAAAAAAEAAAAVaW5mZQIAAAAAAQAAaHZjMQAAAA\
             CqaXBycAAAAI1pcGNvAAAAcWh2Y0MBBAgAAAAAAAAAAAD/8AD8/fj4AAAPAyAAAQAXQAEMAf//BAgAAAMAn6gAAAMAAP+6AkAhAAEAJ\
@@ -122,16 +122,16 @@ private enum Image: String, Decodable {
             AAAAAAAAAAEAAQKBAgAAAEBtZGF0AAAANCgBrwW4FIPqI0Af91/uf7X9b878787878989898989898989/4UETMJZQNe2nK06cUg1sA=
             """
         case .pdf:
-            return """
+            """
             JVBERi0xLgoxIDAgb2JqPDwvUGFnZXMgMiAwIFI+PmVuZG9iagoyIDAgb2JqPDwvS2lkc1szIDAgUl0vQ291bnQgMT4+ZW5kb2JqCjM\
             gMCBvYmo8PC9QYXJlbnQgMiAwIFI+PmVuZG9iagp0cmFpbGVyIDw8L1Jvb3QgMSAwIFI+Pg==
             """
         case .png:
-            return "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg=="
+            "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg=="
         case .tiff:
-            return "TU0AKgAAAAgAAwEAAAMAAAABAAEAAAEBAAMAAAABAAEAAAERAAMAAAABAAAAAA=="
+            "TU0AKgAAAAgAAwEAAAMAAAABAAEAAAEBAAMAAAABAAEAAAERAAMAAAABAAAAAA=="
         case .webp:
-            return "UklGRhYAAABXRUJQVlA4TAkAAAAvAAAAAIiI/gcA"
+            "UklGRhYAAABXRUJQVlA4TAkAAAAvAAAAAIiI/gcA"
         }
     }
 
diff --git a/Sources/Inspection.swift b/Sources/Inspection.swift
index e436975..d945419 100644
--- a/Sources/Inspection.swift
+++ b/Sources/Inspection.swift
@@ -1,5 +1,5 @@
 //
-//  Protected.swift
+//  Inspection.swift
 //
 //  Copyright (c) 2022 Alamofire Software Foundation (http://alamofire.org/)
 //
diff --git a/Sources/Protected.swift b/Sources/Protected.swift
index 55de2eb..9a11dba 100644
--- a/Sources/Protected.swift
+++ b/Sources/Protected.swift
@@ -1,5 +1,5 @@
 //
-//  Inspection.swift
+//  Protected.swift
 //
 //  Copyright (c) 2022 Alamofire Software Foundation (http://alamofire.org/)
 //
diff --git a/Sources/Upload.swift b/Sources/Upload.swift
index 714e212..b0dbbd0 100644
--- a/Sources/Upload.swift
+++ b/Sources/Upload.swift
@@ -28,11 +28,11 @@ func createUploadRoutes(for app: Application) throws {
     app.on(.POST, "upload", body: .stream) { request -> EventLoopFuture<Response> in
         let promise = request.eventLoop.makePromise(of: Response.self)
 
-        var bytesReceived = 0
+        let bytesReceived = Protected(0)
         request.body.drain { result in
             switch result {
             case let .buffer(buffer):
-                bytesReceived += buffer.readableBytes
+                bytesReceived.write { $0 += buffer.readableBytes }
                 request.logger.info("Received \(bytesReceived) bytes so far.")
                 return request.eventLoop.makeSucceededVoidFuture()
             case let .error(error):
@@ -42,7 +42,7 @@ func createUploadRoutes(for app: Application) throws {
                 app.logger.info("Upload of \(bytesReceived) bytes completed.")
                 let response: Response
                 do {
-                    let uploadResponse = UploadResponse(bytes: bytesReceived)
+                    let uploadResponse = UploadResponse(bytes: bytesReceived.wrappedValue)
                     let buffer = try JSONEncoder().encodeAsByteBuffer(uploadResponse, allocator: request.application.allocator)
                     response = Response(status: .ok, body: .init(buffer: buffer))
                 } catch {