diff --git a/Package.resolved b/Package.resolved
index b8056cc4..a5184e17 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -1,12 +1,13 @@
 {
+  "originHash" : "4e45e73ff02865a9bd0426ba4c6cd8dfcb967e62e7663128dd262908109e1487",
   "pins" : [
     {
       "identity" : "async-http-client",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/swift-server/async-http-client",
       "state" : {
-        "revision" : "fb308ee72f3d4c082a507033f94afa7395963ef3",
-        "version" : "1.21.0"
+        "revision" : "0ae99db85b2b9d1e79b362bd31fd1ffe492f7c47",
+        "version" : "1.21.2"
       }
     },
     {
@@ -136,5 +137,5 @@
       }
     }
   ],
-  "version" : 2
+  "version" : 3
 }
diff --git a/Package.swift b/Package.swift
index f83db382..0acbf01d 100644
--- a/Package.swift
+++ b/Package.swift
@@ -13,7 +13,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-argument-parser", from: "1.3.0"),
-        .package(url: "https://github.com/swift-server/async-http-client", from: "1.21.0"),
+        .package(url: "https://github.com/swift-server/async-http-client", from: "1.21.2"),
         .package(url: "https://github.com/apple/swift-nio.git", from: "2.64.0"),
         .package(url: "https://github.com/apple/swift-tools-support-core.git", from: "0.6.1"),
     ],
diff --git a/Sources/SwiftlyCore/HTTPClient.swift b/Sources/SwiftlyCore/HTTPClient.swift
index e2486ca8..33d854bd 100644
--- a/Sources/SwiftlyCore/HTTPClient.swift
+++ b/Sources/SwiftlyCore/HTTPClient.swift
@@ -11,10 +11,8 @@ public protocol HTTPRequestExecutor {
 
 /// An `HTTPRequestExecutor` backed by an `HTTPClient`.
 internal struct HTTPRequestExecutorImpl: HTTPRequestExecutor {
-    fileprivate static let client = HTTPClientWrapper()
-
     public func execute(_ request: HTTPClientRequest, timeout: TimeAmount) async throws -> HTTPClientResponse {
-        try await Self.client.inner.execute(request, timeout: timeout)
+        try await HTTPClient.shared.execute(request, timeout: timeout)
     }
 }
 
@@ -166,9 +164,7 @@ public struct SwiftlyHTTPClient {
         for try await buffer in response.body {
             receivedBytes += buffer.readableBytes
 
-            try buffer.withUnsafeReadableBytes { bufferPtr in
-                try fileHandle.write(contentsOf: bufferPtr)
-            }
+            try fileHandle.write(contentsOf: buffer.readableBytesView)
 
             let now = Date()
             if let reportProgress, lastUpdate.distance(to: now) > 0.25 || receivedBytes == expectedBytes {
@@ -183,7 +179,3 @@ public struct SwiftlyHTTPClient {
         try fileHandle.synchronize()
     }
 }
-
-private class HTTPClientWrapper {
-    fileprivate let inner = HTTPClient.shared
-}
diff --git a/scripts/install-libarchive.sh b/scripts/install-libarchive.sh
index b6c492f9..728f59ef 100755
--- a/scripts/install-libarchive.sh
+++ b/scripts/install-libarchive.sh
@@ -3,7 +3,7 @@
 set -o errexit
 
 # TODO detect platform
-LIBARCHIVE_VERSION=3.6.1
+LIBARCHIVE_VERSION=3.7.4
 
 mkdir /tmp/archive-build
 pushd /tmp/archive-build