diff --git a/PartyModes/PartyModeChallenge/PartyModeChallenge.csproj b/PartyModes/PartyModeChallenge/PartyModeChallenge.csproj
index 7ba34720..45417cfc 100644
--- a/PartyModes/PartyModeChallenge/PartyModeChallenge.csproj
+++ b/PartyModes/PartyModeChallenge/PartyModeChallenge.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>VocaluxeLib.PartyModes.Challenge</RootNamespace>
     <AssemblyName>Challenge</AssemblyName>
-    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     <TargetFrameworkProfile>
     </TargetFrameworkProfile>
     <FileAlignment>512</FileAlignment>
@@ -119,4 +119,4 @@ rm -f "$(SolutionDir)Output\PartyModes\$(TargetName)\Code\GlobalSuppressions.cs"
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>
diff --git a/PartyModes/PartyModeTicTacToe/PartyModeTicTacToe.csproj b/PartyModes/PartyModeTicTacToe/PartyModeTicTacToe.csproj
index 95d43206..29711ae2 100644
--- a/PartyModes/PartyModeTicTacToe/PartyModeTicTacToe.csproj
+++ b/PartyModes/PartyModeTicTacToe/PartyModeTicTacToe.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>VocaluxeLib.PartyModes.TicTacToe</RootNamespace>
     <AssemblyName>TicTacToe</AssemblyName>
-    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     <TargetFrameworkProfile>
     </TargetFrameworkProfile>
     <FileAlignment>512</FileAlignment>
@@ -119,4 +119,4 @@ rm -f "$(SolutionDir)Output\PartyModes\$(TargetName)\Code\GlobalSuppressions.cs"
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>
diff --git a/PitchTracker/PitchTracker.vcxproj b/PitchTracker/PitchTracker.vcxproj
index 5edda113..12c97105 100644
--- a/PitchTracker/PitchTracker.vcxproj
+++ b/PitchTracker/PitchTracker.vcxproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
diff --git a/Tests/Tests.csproj b/Tests/Tests.csproj
index 6bcd5f11..9be7ba45 100644
--- a/Tests/Tests.csproj
+++ b/Tests/Tests.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Tests</RootNamespace>
     <AssemblyName>Tests</AssemblyName>
-    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
@@ -113,4 +113,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>
diff --git a/Vocaluxe/Vocaluxe.csproj b/Vocaluxe/Vocaluxe.csproj
index bd173277..f6b62f83 100644
--- a/Vocaluxe/Vocaluxe.csproj
+++ b/Vocaluxe/Vocaluxe.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Vocaluxe</RootNamespace>
     <AssemblyName>Vocaluxe</AssemblyName>
-    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <StartupObject>Vocaluxe.CMainProgram</StartupObject>
@@ -573,4 +573,4 @@ $(SolutionDir)/.build/linuxPostBuildEvent.sh $(ProjectDir)</PostBuildEvent>
     <Delete Files="@(OtherFilesToMove)" />
     <RemoveDir Directories="$(TargetDir)\x64\;$(TargetDir)\x86\" />
   </Target>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/Vocaluxe/app.config b/Vocaluxe/app.config
index bdab2be4..ef6338d2 100644
--- a/Vocaluxe/app.config
+++ b/Vocaluxe/app.config
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <configuration>
   <startup>
-    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.1"/>
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8.1"/>
   </startup>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
diff --git a/VocaluxeLib/VocaluxeLib.csproj b/VocaluxeLib/VocaluxeLib.csproj
index 88debb22..ce07c9c7 100644
--- a/VocaluxeLib/VocaluxeLib.csproj
+++ b/VocaluxeLib/VocaluxeLib.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>VocaluxeLib</RootNamespace>
     <AssemblyName>VocaluxeLib</AssemblyName>
-    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(OS)' == 'Windows_NT' ">
@@ -203,4 +203,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>
diff --git a/WebserverInitalConfig/App.config b/WebserverInitalConfig/App.config
index 93a7e5d4..903c0375 100644
--- a/WebserverInitalConfig/App.config
+++ b/WebserverInitalConfig/App.config
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.1"/>
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8.1"/>
     </startup>
 </configuration>
diff --git a/WebserverInitalConfig/WebserverInitalConfig.csproj b/WebserverInitalConfig/WebserverInitalConfig.csproj
index ea8dd4d5..6f94b8c0 100644
--- a/WebserverInitalConfig/WebserverInitalConfig.csproj
+++ b/WebserverInitalConfig/WebserverInitalConfig.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>WebserverInitalConfig</RootNamespace>
     <AssemblyName>VocaluxeServerConfig</AssemblyName>
-    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
     <NuGetPackageImportStamp>ee6e2fa6</NuGetPackageImportStamp>
@@ -80,4 +80,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>