2 files changed, 2 insertions, 2 deletions
diff --git a/ios/MullvadVPN/AccessMethodRepository/ProxyConfigurationTester.swift b/ios/MullvadVPN/AccessMethodRepository/ProxyConfigurationTester.swift
index 03e108968a..699022a674 100644
--- a/ios/MullvadVPN/AccessMethodRepository/ProxyConfigurationTester.swift
+++ b/ios/MullvadVPN/AccessMethodRepository/ProxyConfigurationTester.swift
@@ -22,7 +22,7 @@ class ProxyConfigurationTester: ProxyConfigurationTesterProtocol {
         self.transportProvider = transportProvider
     }
 
-    func start(configuration: PersistentProxyConfiguration, completion: @escaping (Error?) -> Void) {
+    func start(configuration: PersistentProxyConfiguration, completion: @escaping @Sendable (Error?) -> Void) {
         do {
             let transport = try transportProvider.makeTransport(with: configuration)
             let request = REST.APIAvailabilityTestRequest(transport: transport)
diff --git a/ios/MullvadVPN/AccessMethodRepository/ProxyConfigurationTesterProtocol.swift b/ios/MullvadVPN/AccessMethodRepository/ProxyConfigurationTesterProtocol.swift
index b01d817d61..95f6261c65 100644
--- a/ios/MullvadVPN/AccessMethodRepository/ProxyConfigurationTesterProtocol.swift
+++ b/ios/MullvadVPN/AccessMethodRepository/ProxyConfigurationTesterProtocol.swift
@@ -15,7 +15,7 @@ protocol ProxyConfigurationTesterProtocol {
     /// - Parameters:
     ///   - configuration: a proxy configuration.
     ///   - completion: a completion handler that receives `nil` upon success, otherwise the underlying error.
-    func start(configuration: PersistentProxyConfiguration, completion: @escaping (Error?) -> Void)
+    func start(configuration: PersistentProxyConfiguration, completion: @escaping @Sendable (Error?) -> Void)
 
     /// Cancel testing proxy configuration.
     func cancel()