diff --git a/Demo/Demo/iOS/OpenVPNViewController.swift b/Demo/Demo/iOS/OpenVPNViewController.swift
index f213fa2..75327da 100644
--- a/Demo/Demo/iOS/OpenVPNViewController.swift
+++ b/Demo/Demo/iOS/OpenVPNViewController.swift
@@ -80,7 +80,9 @@ class OpenVPNViewController: UIViewController {
             object: nil
         )
 
-        vpn.prepare()
+        Task {
+            await vpn.prepare()
+        }
 
 //        testFetchRef()
     }
@@ -123,14 +125,16 @@ class OpenVPNViewController: UIViewController {
             return
         }
 
-        var extra = NetworkExtensionExtra()
-        extra.passwordReference = passwordReference
-        vpn.reconnect(
-            tunnelIdentifier,
-            configuration: cfg!,
-            extra: extra,
-            after: .seconds(2)
-        )
+        Task {
+            var extra = NetworkExtensionExtra()
+            extra.passwordReference = passwordReference
+            try await vpn.reconnect(
+                tunnelIdentifier,
+                configuration: cfg!,
+                extra: extra,
+                after: .seconds(2)
+            )
+        }
     }
     
     func disconnect() {
diff --git a/Demo/Demo/macOS/OpenVPNViewController.swift b/Demo/Demo/macOS/OpenVPNViewController.swift
index 93e4365..f8d6401 100644
--- a/Demo/Demo/macOS/OpenVPNViewController.swift
+++ b/Demo/Demo/macOS/OpenVPNViewController.swift
@@ -75,7 +75,9 @@ class OpenVPNViewController: NSViewController {
             object: nil
         )
 
-        vpn.prepare()
+        Task {
+            await vpn.prepare()
+        }
         
 //        testFetchRef()
     }
@@ -114,18 +116,22 @@ class OpenVPNViewController: NSViewController {
             return
         }
 
-        var extra = NetworkExtensionExtra()
-        extra.passwordReference = passwordReference
-        vpn.reconnect(
-            tunnelIdentifier,
-            configuration: cfg!,
-            extra: extra,
-            after: .seconds(2)
-        )
+        Task {
+            var extra = NetworkExtensionExtra()
+            extra.passwordReference = passwordReference
+            try await vpn.reconnect(
+                tunnelIdentifier,
+                configuration: cfg!,
+                extra: extra,
+                after: .seconds(2)
+            )
+        }
     }
     
     func disconnect() {
-        vpn.disconnect()
+        Task {
+            await vpn.disconnect()
+        }
     }
 
     func updateButton() {
diff --git a/Demo/Demo/macOS/WireGuardViewController.swift b/Demo/Demo/macOS/WireGuardViewController.swift
index f6013b2..fe70764 100644
--- a/Demo/Demo/macOS/WireGuardViewController.swift
+++ b/Demo/Demo/macOS/WireGuardViewController.swift
@@ -72,7 +72,9 @@ class WireGuardViewController: NSViewController {
             object: nil
         )
 
-        vpn.prepare()
+        Task {
+            await vpn.prepare()
+        }
     }
 
     @IBAction func connectionClicked(_ sender: Any) {
@@ -105,16 +107,20 @@ class WireGuardViewController: NSViewController {
             return
         }
 
-        vpn.reconnect(
-            tunnelIdentifier,
-            configuration: cfg,
-            extra: nil,
-            after: .seconds(2)
-        )
+        Task {
+            try await vpn.reconnect(
+                tunnelIdentifier,
+                configuration: cfg,
+                extra: nil,
+                after: .seconds(2)
+            )
+        }
     }
     
     func disconnect() {
-        vpn.disconnect()
+        Task {
+            await vpn.disconnect()
+        }
     }
 
     func updateButton() {