diff --git a/.gitignore b/.gitignore
index c716105..58b383c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /KanSan.Base/bin/*
 /KanSan.Base/kansan.db
 /KanSan.Base/obj/*
+/KanSan/version.txt
diff --git a/KanSan/KanSan.csproj b/KanSan/KanSan.csproj
index 9a332d1..2eb3bbe 100644
--- a/KanSan/KanSan.csproj
+++ b/KanSan/KanSan.csproj
@@ -6,6 +6,16 @@
     <UseWPF>true</UseWPF>
   </PropertyGroup>
 
+  <ItemGroup>
+    <None Remove="version.txt" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Include="version.txt">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </EmbeddedResource>
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="ilmerge" Version="3.0.29" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="3.1.1">
@@ -25,4 +35,8 @@
     <ProjectReference Include="..\KanSan.Base\KanSan.Base.csproj" />
   </ItemGroup>
 
+  <Target Name="PreBuild" BeforeTargets="PreBuildEvent">
+    <Exec Command="git rev-parse HEAD &gt;&quot;$(ProjectDir)\version.txt" />
+  </Target>
+
 </Project>
\ No newline at end of file
diff --git a/KanSan/MainWindow.xaml.cs b/KanSan/MainWindow.xaml.cs
index 2733639..fb35719 100644
--- a/KanSan/MainWindow.xaml.cs
+++ b/KanSan/MainWindow.xaml.cs
@@ -27,6 +27,7 @@ namespace KanSan
         public MainWindow()
         {
             InitializeComponent();
+            this.Title = ProgrammHashVersion.GIT_HASH;
             
             UnitOfWork unitOfWork = new UnitOfWork(new KanSanContext());
             var d = unitOfWork.KundenRepository.Get().First();
diff --git a/KanSan/ProgrammHashVersion.cs b/KanSan/ProgrammHashVersion.cs
new file mode 100644
index 0000000..99c2694
--- /dev/null
+++ b/KanSan/ProgrammHashVersion.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+using System.Text;
+
+namespace KanSan
+{
+    public static class ProgrammHashVersion
+    {
+        public static string GIT_HASH
+        {
+            get
+            {
+                string gitVersion;
+
+                using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("KanSan.version.txt"))
+                using (StreamReader reader = new StreamReader(stream))
+                {
+                    gitVersion = reader.ReadToEnd();
+                }
+
+                return gitVersion;
+            }
+        }
+    }
+}