diff --git a/Pilz.Updating.Client/Pilz.Updating.Client.csproj b/Pilz.Updating.Client/Pilz.Updating.Client.csproj
index 17cb2ba..50ce849 100644
--- a/Pilz.Updating.Client/Pilz.Updating.Client.csproj
+++ b/Pilz.Updating.Client/Pilz.Updating.Client.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
   
   <PropertyGroup>
-    <Version>4.4.0</Version>
+    <Version>4.4.3</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Pilz.Updating.Client/UpdateClient.cs b/Pilz.Updating.Client/UpdateClient.cs
index 6905d3e..1702bd1 100644
--- a/Pilz.Updating.Client/UpdateClient.cs
+++ b/Pilz.Updating.Client/UpdateClient.cs
@@ -1,4 +1,6 @@
-using System.IO.Compression;
+using System.Diagnostics;
+using System.IO.Compression;
+using Pilz.Runtime;
 
 namespace Pilz.Updating.Client;
 
@@ -26,6 +28,7 @@ public class UpdateClient(string updateUrl, AppVersion currentVersion, AppChanne
     public bool UIDarkMode { get; set; }
     public bool HasUpdates => UpdatePackageInfo != null;
     public string? Distro { get; set; }
+    public bool MakeAppBinaryExecutable { get; set; } = RuntimeInformationsEx.OSType == OSType.Linux || RuntimeInformationsEx.OSType ==  OSType.Windows;
 
     // E v e n t   M e t h o d s
 
@@ -193,8 +196,27 @@ public class UpdateClient(string updateUrl, AppVersion currentVersion, AppChanne
             Utils.CopyFiles(dataPathDir, destDir);
         }
         else if (package.UpdateType == UpdateType.File)
-            Utils.CopyFile(new FileInfo(dataPath), new FileInfo(localInstallPath));
+        {
+            if (packageSource.PackageType == PackageType.File)
+                Utils.CopyFile(new FileInfo(dataPath), new FileInfo(localInstallPath));
+            else if (Directory.GetFiles(dataPath).FirstOrDefault() is { } firstFile)
+                Utils.CopyFile(new FileInfo(firstFile), new FileInfo(localInstallPath));
+        }
         RaiseStatusChanged(UpdateStatus.Copying, UpdateStatusEvent.PostEvent);
+        
+        // Make executable
+        if (MakeAppBinaryExecutable)
+        {
+            switch (package.UpdateType)
+            {
+                case UpdateType.File:
+                    Utils.MakeExecutable(localInstallPath);
+                    break;
+                case UpdateType.Folder when !string.IsNullOrWhiteSpace(package.ExePath):
+                    Utils.MakeExecutable(Path.Combine(localInstallPath, package.ExePath));
+                    break;
+            }
+        }
 
         // Delete Package
         RaiseStatusChanged(UpdateStatus.Cleanup, UpdateStatusEvent.PreEvent);
diff --git a/Pilz.Updating.Client/Utils.cs b/Pilz.Updating.Client/Utils.cs
index 8d9e657..57bec67 100644
--- a/Pilz.Updating.Client/Utils.cs
+++ b/Pilz.Updating.Client/Utils.cs
@@ -1,4 +1,5 @@
-using System.Runtime.InteropServices;
+using System.Diagnostics;
+using System.Runtime.InteropServices;
 using Pilz.Runtime;
 
 namespace Pilz.Updating.Client;
@@ -68,4 +69,21 @@ public static class Utils
             }
         }
     }
+
+    public static void MakeExecutable(string filePath)
+    {
+        var pChmod = new Process
+        {
+            StartInfo = new ProcessStartInfo
+            {
+                FileName = "chmod",
+                Arguments = $"+x \"{filePath}\"",
+                RedirectStandardOutput = true,
+                UseShellExecute = false,
+                CreateNoWindow = true,
+            },
+        };
+        pChmod.Start();
+        pChmod.WaitForExit();
+    }
 }