diff --git a/Package.resolved b/Package.resolved
index 00b4416..5c7bbc2 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -5,8 +5,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/swiftwasm/JavaScriptKit.git",
       "state" : {
-        "revision" : "a129f62171bf3610633313c2db6acdca41cdb195",
-        "version" : "0.16.0"
+        "revision" : "3b5af3d442179900455307c725fe6a111a714b27",
+        "version" : "0.19.2"
       }
     }
   ],
diff --git a/Package.swift b/Package.swift
index 0d16320..4d99891 100644
--- a/Package.swift
+++ b/Package.swift
@@ -14,7 +14,7 @@ let package = Package(
     dependencies: [
         .package(
             url: "https://github.com/swiftwasm/JavaScriptKit.git",
-            .upToNextMajor(from: "0.16.0")
+            from: "0.19.0"
         ),
     ],
     targets: [
diff --git a/Sources/WebFoundation/URLSession.swift b/Sources/WebFoundation/URLSession.swift
index f62251b..c44df70 100644
--- a/Sources/WebFoundation/URLSession.swift
+++ b/Sources/WebFoundation/URLSession.swift
@@ -2,6 +2,7 @@ import Foundation
 import JavaScriptEventLoop
 import JavaScriptKit
 
+@available(macOS 14.0, iOS 17.0, watchOS 10.0, tvOS 17.0, *)
 public class URLSession {
     public static let shared = URLSession()
 
diff --git a/Sources/WebFoundation/Upstream/URLRequest.swift b/Sources/WebFoundation/Upstream/URLRequest.swift
index 29509fa..3a9b125 100644
--- a/Sources/WebFoundation/Upstream/URLRequest.swift
+++ b/Sources/WebFoundation/Upstream/URLRequest.swift
@@ -152,7 +152,10 @@ public struct URLRequest: Equatable, Hashable {
     public var httpBody: Data?
     
     @available(*, unavailable, message: "httpBodyStream is not yet available in WebFoundation")
-    public var httpBodyStream: Any?
+    public var httpBodyStream: Any? {
+        get { nil }
+        set { }
+    }
     
     /// `true` if cookies will be sent with and set for this request; otherwise `false`.
     public var httpShouldHandleCookies = true