diff --git a/.github/workflows/ios.yml b/.github/workflows/ios.yml
index ae73bc9..58c6662 100644
--- a/.github/workflows/ios.yml
+++ b/.github/workflows/ios.yml
@@ -1,7 +1,7 @@
 name: ios
 
 env:
-  XCODE_VERSION: 'Xcode_16.0'
+  XCODE_VERSION: 'Xcode_16.3'
 
 on:
   pull_request:
diff --git a/ios/MCGpsLayer.swift b/ios/MCGpsLayer.swift
index a2c248e..25c26ca 100644
--- a/ios/MCGpsLayer.swift
+++ b/ios/MCGpsLayer.swift
@@ -85,7 +85,7 @@ public extension MCGpsStyleInfoInterface {
     }
 }
 
-private class MCGpsCallbackHandler: MCGpsLayerCallbackInterface {
+private class MCGpsCallbackHandler: MCGpsLayerCallbackInterface, @unchecked Sendable {
     var modeDidChangeCallback: ((_ mode: MCGpsMode) -> Void)?
     var onPointClickCallback: ((_ coordinate: MCCoord) -> Void)?
 
diff --git a/ios/UBLocationManager+MCGpsLayer.swift b/ios/UBLocationManager+MCGpsLayer.swift
index 5827051..169384e 100644
--- a/ios/UBLocationManager+MCGpsLayer.swift
+++ b/ios/UBLocationManager+MCGpsLayer.swift
@@ -2,7 +2,7 @@ import CoreLocation
 import UBLocation
 import UIKit
 
-private var binders: [LocationManagerLayerBinder] = []
+nonisolated(unsafe) private var binders: [LocationManagerLayerBinder] = []
 private let bindersQueue = DispatchQueue(label: "ch.layergps.ublocationbindersQueue")
 
 public extension UBLocationManager {
@@ -22,7 +22,7 @@ public extension UBLocationManager {
     }
 }
 
-public class LocationManagerLayerBinder: NSObject {
+public class LocationManagerLayerBinder: NSObject, @unchecked Sendable {
     weak var layer: MCGpsLayer?
     public init(layer: MCGpsLayer) {
         self.layer = layer