diff --git a/ReleaseUpdater/ReleaseUpdaterFacade.cs b/ReleaseUpdater/ReleaseUpdaterFacade.cs
index 9f2f2df..6b69f84 100644
--- a/ReleaseUpdater/ReleaseUpdaterFacade.cs
+++ b/ReleaseUpdater/ReleaseUpdaterFacade.cs
@@ -72,7 +72,7 @@ public static class ReleaseUpdaterFacade
     /// Обновление через внешний Updater.exe.
     /// </summary>
     public static async Task UpdateWithExternalAsync(
-        string apiUrl, string? token, string installPath, string appExe, string versionOrLatest = "latest")
+        string apiUrl, string? token, string installPath, string appExe, string versionOrLatest = "latest", string? updaterExePath = null)
     {
         try
         {
@@ -88,12 +88,12 @@ public static class ReleaseUpdaterFacade
 
             BeforeInstall?.Invoke();
 
-            var updaterExe = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Updater.exe");
+            if (updaterExePath == null) updaterExePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Updater.exe");
             var args = $"--zip \"{zipPath}\" --installPath \"{installPath}\" --appExe \"{appExe}\"";
 
             var process = Process.Start(new ProcessStartInfo
             {
-                FileName = updaterExe,
+                FileName = updaterExePath,
                 Arguments = args,
                 UseShellExecute = true,
                 WorkingDirectory = AppDomain.CurrentDomain.BaseDirectory