diff --git a/Sources/Basics/Cancellator.swift b/Sources/Basics/Cancellator.swift
index 934416d8e52..da599c26798 100644
--- a/Sources/Basics/Cancellator.swift
+++ b/Sources/Basics/Cancellator.swift
@@ -32,7 +32,7 @@ public final class Cancellator: Cancellable, Sendable {
     private let cancelling = ThreadSafeBox<Bool>(false)
 
     private static let signalHandlerLock = NSLock()
-    private static var isSignalHandlerInstalled = false
+    nonisolated(unsafe) private static var isSignalHandlerInstalled = false
 
     public init(observabilityScope: ObservabilityScope?) {
         self.observabilityScope = observabilityScope
diff --git a/Sources/Basics/HTTPClient/LegacyHTTPClient.swift b/Sources/Basics/HTTPClient/LegacyHTTPClient.swift
index f2722e63367..2fd23a00c8d 100644
--- a/Sources/Basics/HTTPClient/LegacyHTTPClient.swift
+++ b/Sources/Basics/HTTPClient/LegacyHTTPClient.swift
@@ -50,7 +50,7 @@ public final class LegacyHTTPClient: Cancellable {
 
     // static to share across instances of the http client
     private static let hostsErrorsLock = NSLock()
-    private static var hostsErrors = [String: [Date]]()
+    nonisolated(unsafe) private static var hostsErrors = [String: [Date]]()
 
     public init(configuration: LegacyHTTPClientConfiguration = .init(), handler: Handler? = nil) {
         self.configuration = configuration