diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index c14974c..b15894b 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -13,6 +13,11 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: '9.0.x'
 
       - name: Install workloads
         run: dotnet workload install maui
diff --git a/src/apps/H.NotifyIcon.Apps.Console/H.NotifyIcon.Apps.Console.csproj b/src/apps/H.NotifyIcon.Apps.Console/H.NotifyIcon.Apps.Console.csproj
index 09e642f..1971109 100644
--- a/src/apps/H.NotifyIcon.Apps.Console/H.NotifyIcon.Apps.Console.csproj
+++ b/src/apps/H.NotifyIcon.Apps.Console/H.NotifyIcon.Apps.Console.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net4.8;net8.0-windows</TargetFrameworks>
+    <TargetFrameworks>net4.8;net9.0-windows</TargetFrameworks>
     <OutputType>Exe</OutputType>
     <LangVersion>preview</LangVersion>
     <Nullable>enable</Nullable>
diff --git a/src/apps/H.NotifyIcon.Apps.Maui/App.xaml.cs b/src/apps/H.NotifyIcon.Apps.Maui/App.xaml.cs
index 6f2ad0a..295f1ea 100644
--- a/src/apps/H.NotifyIcon.Apps.Maui/App.xaml.cs
+++ b/src/apps/H.NotifyIcon.Apps.Maui/App.xaml.cs
@@ -5,7 +5,10 @@ public partial class App : Application
 	public App()
 	{
 		InitializeComponent();
-
-		MainPage = new AppShell();
 	}
+
+    protected override Window CreateWindow(IActivationState? activationState)
+    {
+        return new Window(new AppShell());
+    }
 }
diff --git a/src/apps/H.NotifyIcon.Apps.Maui/H.NotifyIcon.Apps.Maui.csproj b/src/apps/H.NotifyIcon.Apps.Maui/H.NotifyIcon.Apps.Maui.csproj
index f566cc9..c3a546f 100644
--- a/src/apps/H.NotifyIcon.Apps.Maui/H.NotifyIcon.Apps.Maui.csproj
+++ b/src/apps/H.NotifyIcon.Apps.Maui/H.NotifyIcon.Apps.Maui.csproj
@@ -1,10 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(TargetFrameworks);net8.0-maccatalyst</TargetFrameworks> <!-- net8.0-android;net8.0-ios; -->
-    <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net8.0-windows10.0.19041.0</TargetFrameworks>
+    <TargetFrameworks>$(TargetFrameworks);net9.0-maccatalyst</TargetFrameworks> <!-- net9.0-android;net9.0-ios; -->
+    <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net9.0-windows10.0.19041.0</TargetFrameworks>
     <!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
-    <!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
+    <!-- <TargetFrameworks>$(TargetFrameworks);net9.0-tizen</TargetFrameworks> -->
 
     <!-- Note for MacCatalyst:
     The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
@@ -30,8 +30,8 @@
     <ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
     <ApplicationVersion>1</ApplicationVersion>
 
-    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
-    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">12.2</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">15.0</SupportedOSPlatformVersion>
     <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
     <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
     <TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
@@ -58,11 +58,9 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
-    <PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="9.0.0" />
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.3.2" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="9.0.0" />
-    <PackageReference Include="SkiaSharp.Views.Maui.Controls" Version="2.88.9" />
+    <PackageReference Include="SkiaSharp.Views.Maui.Controls" Version="3.116.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/apps/H.NotifyIcon.Apps.Maui/MainPage.xaml.cs b/src/apps/H.NotifyIcon.Apps.Maui/MainPage.xaml.cs
index fdcaebf..ae0d754 100644
--- a/src/apps/H.NotifyIcon.Apps.Maui/MainPage.xaml.cs
+++ b/src/apps/H.NotifyIcon.Apps.Maui/MainPage.xaml.cs
@@ -17,7 +17,7 @@ public MainPage()
     [RelayCommand]
     public void ShowHideWindow()
     {
-        var window = Application.Current?.MainPage?.Window;
+        var window = Application.Current?.Windows[0];
         if (window == null)
         {
             return;
diff --git a/src/apps/H.NotifyIcon.Apps.WinUI.Windowless/H.NotifyIcon.Apps.WinUI.Windowless.csproj b/src/apps/H.NotifyIcon.Apps.WinUI.Windowless/H.NotifyIcon.Apps.WinUI.Windowless.csproj
index e39edf4..950353e 100644
--- a/src/apps/H.NotifyIcon.Apps.WinUI.Windowless/H.NotifyIcon.Apps.WinUI.Windowless.csproj
+++ b/src/apps/H.NotifyIcon.Apps.WinUI.Windowless/H.NotifyIcon.Apps.WinUI.Windowless.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net8.0-windows10.0.18362.0</TargetFramework>
+    <TargetFramework>net9.0-windows10.0.18362.0</TargetFramework>
     <TargetPlatformMinVersion>10.0.18362.0</TargetPlatformMinVersion>
     <Platforms>x86;x64;arm64</Platforms>
     <UseWinUI>true</UseWinUI>
@@ -22,8 +22,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.0" />
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240627000" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="9.0.0" />
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.241114003" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/apps/H.NotifyIcon.Apps.WinUI/H.NotifyIcon.Apps.WinUI.csproj b/src/apps/H.NotifyIcon.Apps.WinUI/H.NotifyIcon.Apps.WinUI.csproj
index 553310f..f1c903e 100644
--- a/src/apps/H.NotifyIcon.Apps.WinUI/H.NotifyIcon.Apps.WinUI.csproj
+++ b/src/apps/H.NotifyIcon.Apps.WinUI/H.NotifyIcon.Apps.WinUI.csproj
@@ -22,9 +22,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.2" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.0" />
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240627000" />
+    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.3.2" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="9.0.0" />
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.241114003" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/apps/H.NotifyIcon.Apps.Wpf.Windowless/H.NotifyIcon.Apps.Wpf.Windowless.csproj b/src/apps/H.NotifyIcon.Apps.Wpf.Windowless/H.NotifyIcon.Apps.Wpf.Windowless.csproj
index 8d5174b..13748f4 100644
--- a/src/apps/H.NotifyIcon.Apps.Wpf.Windowless/H.NotifyIcon.Apps.Wpf.Windowless.csproj
+++ b/src/apps/H.NotifyIcon.Apps.Wpf.Windowless/H.NotifyIcon.Apps.Wpf.Windowless.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFrameworks>net4.6.2;net8.0-windows</TargetFrameworks>
+    <TargetFrameworks>net4.6.2;net9.0-windows</TargetFrameworks>
     <UseWPF>true</UseWPF>
     <LangVersion>preview</LangVersion>
     <Nullable>enable</Nullable>
diff --git a/src/apps/H.NotifyIcon.Apps.Wpf/H.NotifyIcon.Apps.Wpf.csproj b/src/apps/H.NotifyIcon.Apps.Wpf/H.NotifyIcon.Apps.Wpf.csproj
index 2c353b4..65978c1 100644
--- a/src/apps/H.NotifyIcon.Apps.Wpf/H.NotifyIcon.Apps.Wpf.csproj
+++ b/src/apps/H.NotifyIcon.Apps.Wpf/H.NotifyIcon.Apps.Wpf.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFrameworks>net4.6.2;net8.0-windows</TargetFrameworks>
+    <TargetFrameworks>net4.6.2;net9.0-windows</TargetFrameworks>
     <UseWPF>true</UseWPF>
     <GenerateResourceUsePreserializedResources>true</GenerateResourceUsePreserializedResources>
     <LangVersion>preview</LangVersion>
diff --git a/src/apps/TrimmingHelper/TrimmingHelper.csproj b/src/apps/TrimmingHelper/TrimmingHelper.csproj
index c7c89ce..7f3f5f4 100644
--- a/src/apps/TrimmingHelper/TrimmingHelper.csproj
+++ b/src/apps/TrimmingHelper/TrimmingHelper.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <PublishTrimmed>true</PublishTrimmed>
     <!-- <TrimMode>full</TrimMode> -->
     <ImplicitUsings>enable</ImplicitUsings>
@@ -15,6 +15,7 @@
 
   <ItemGroup>
     <TrimmerRootAssembly Include="H.NotifyIcon" />
+    <TrimmerRootAssembly Include="H.GeneratedIcons.System.Drawing" />
   </ItemGroup>
 
   <PropertyGroup Label="Publish">
diff --git a/src/libs/H.GeneratedIcons.SkiaSharp/H.GeneratedIcons.SkiaSharp.csproj b/src/libs/H.GeneratedIcons.SkiaSharp/H.GeneratedIcons.SkiaSharp.csproj
index fffd002..6fd8764 100644
--- a/src/libs/H.GeneratedIcons.SkiaSharp/H.GeneratedIcons.SkiaSharp.csproj
+++ b/src/libs/H.GeneratedIcons.SkiaSharp/H.GeneratedIcons.SkiaSharp.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net4.6.2;netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net4.6.2;netstandard2.0;net8.0;net9.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
@@ -9,7 +9,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="SkiaSharp" Version="2.88.8" />
+    <PackageReference Include="SkiaSharp" Version="3.116.1" />
   </ItemGroup>
 
   <PropertyGroup Label="NuGet">
diff --git a/src/libs/H.GeneratedIcons.SkiaSharp/SkiaSharpIconGenerator.cs b/src/libs/H.GeneratedIcons.SkiaSharp/SkiaSharpIconGenerator.cs
index c89dc7c..64e39e4 100644
--- a/src/libs/H.GeneratedIcons.SkiaSharp/SkiaSharpIconGenerator.cs
+++ b/src/libs/H.GeneratedIcons.SkiaSharp/SkiaSharpIconGenerator.cs
@@ -129,8 +129,7 @@ public static SKBitmap Generate(
         {
             if (textRectangle == null)
             {
-                var bounds = new SKRect();
-                _ = foregroundBrush.MeasureText(text, ref bounds);
+                _ = font.MeasureText(text, out var bounds, foregroundBrush);
                 
                 graphics.DrawText(
                     text: text,
diff --git a/src/libs/H.GeneratedIcons.System.Drawing/H.GeneratedIcons.System.Drawing.csproj b/src/libs/H.GeneratedIcons.System.Drawing/H.GeneratedIcons.System.Drawing.csproj
index 38d8f02..502ef37 100644
--- a/src/libs/H.GeneratedIcons.System.Drawing/H.GeneratedIcons.System.Drawing.csproj
+++ b/src/libs/H.GeneratedIcons.System.Drawing/H.GeneratedIcons.System.Drawing.csproj
@@ -1,22 +1,18 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net4.6.2;netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net4.6.2;netstandard2.0;net8.0;net9.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup Label="Usings">
     <Using Remove="System.Net.Http" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
-    <PackageReference Include="System.Drawing.Common" Version="9.0.0" />
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
     <PackageReference Include="System.Drawing.Common" Version="9.0.0" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
     <PackageReference Include="System.Drawing.Common" Version="9.0.0" />
   </ItemGroup>
 
diff --git a/src/libs/H.NotifyIcon.Maui/H.NotifyIcon.Maui.csproj b/src/libs/H.NotifyIcon.Maui/H.NotifyIcon.Maui.csproj
index 995a567..8466667 100644
--- a/src/libs/H.NotifyIcon.Maui/H.NotifyIcon.Maui.csproj
+++ b/src/libs/H.NotifyIcon.Maui/H.NotifyIcon.Maui.csproj
@@ -1,17 +1,17 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net8.0;net8.0-android;net8.0-ios;net8.0-maccatalyst;net8.0-windows10.0.19041.0</TargetFrameworks>
+    <TargetFrameworks>net9.0;net9.0-android;net9.0-ios;net9.0-maccatalyst;net9.0-windows10.0.19041.0</TargetFrameworks>
     <!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
     <!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
     <UseMaui>true</UseMaui>
     <DefineConstants>$(DefineConstants);HAS_PLATFORM_CODE;HAS_MAUI</DefineConstants>
-    <DefineConstants Condition="'$(TargetFramework)'=='net8.0-windows10.0.19041.0'">$(DefineConstants);HAS_MAUI_WINUI</DefineConstants>
+    <DefineConstants Condition="'$(TargetFramework)'=='net9.0-windows10.0.19041.0'">$(DefineConstants);HAS_MAUI_WINUI</DefineConstants>
     <NoWarn>$(NoWarn);CA1031;CS8002;CS0108;CA1501;CA1513</NoWarn>
     <EnableWindowsTargeting>true</EnableWindowsTargeting>
     
-    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
-    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">12.2</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">15.0</SupportedOSPlatformVersion>
     <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
     <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
     <TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
@@ -40,7 +40,6 @@ popups, context menus, and balloon messages. It can be used directly in code or
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
-    <PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
   </ItemGroup>
   
   <ItemGroup>
diff --git a/src/libs/H.NotifyIcon.Uno.WinUI/H.NotifyIcon.Uno.WinUI.csproj b/src/libs/H.NotifyIcon.Uno.WinUI/H.NotifyIcon.Uno.WinUI.csproj
index d8a45f9..ecaea78 100644
--- a/src/libs/H.NotifyIcon.Uno.WinUI/H.NotifyIcon.Uno.WinUI.csproj
+++ b/src/libs/H.NotifyIcon.Uno.WinUI/H.NotifyIcon.Uno.WinUI.csproj
@@ -11,14 +11,6 @@
     <EnableMsixTooling>true</EnableMsixTooling>
   </PropertyGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' != 'net8.0-windows10.0.19041' ">
-    <PackageReference Include="Uno.WinUI" Version="5.4.38" />
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0-windows10.0.19041'">
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240627000" />
-  </ItemGroup>
-
   <PropertyGroup Label="NuGet">
     <Description>This is an implementation of a NotifyIcon (aka system tray icon or taskbar icon) for the Uno.WinUI Skia.Wpf platform.
 It does not just rely on the Windows Forms NotifyIcon component,
@@ -43,4 +35,26 @@ popups, context menus, and balloon messages. It can be used directly in code or
     <ProjectReference Include="..\H.NotifyIcon\H.NotifyIcon.csproj" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+    <PackageReference Include="Uno.WinUI" Version="5.5.87" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0-android'">
+    <PackageReference Include="Uno.WinUI" Version="5.5.87" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0-ios'">
+    <PackageReference Include="Uno.WinUI" Version="5.5.87" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0-maccatalyst'">
+    <PackageReference Include="Uno.WinUI" Version="5.5.87" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0-windows10.0.19041'">
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.241114003" />
+    <PackageReference Include="System.Collections.Immutable" Version="9.0.0" />
+    <PackageReference Include="System.Reflection.Metadata" Version="9.0.0" />
+  </ItemGroup>
+
 </Project>
\ No newline at end of file
diff --git a/src/libs/H.NotifyIcon.Uno/H.NotifyIcon.Uno.csproj b/src/libs/H.NotifyIcon.Uno/H.NotifyIcon.Uno.csproj
index bfccf67..4fde847 100644
--- a/src/libs/H.NotifyIcon.Uno/H.NotifyIcon.Uno.csproj
+++ b/src/libs/H.NotifyIcon.Uno/H.NotifyIcon.Uno.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Uno.UI" Version="5.4.38" />
+    <PackageReference Include="Uno.UI" Version="5.5.87" />
   </ItemGroup>
   
   <PropertyGroup Label="NuGet">
diff --git a/src/libs/H.NotifyIcon.WinUI/H.NotifyIcon.WinUI.csproj b/src/libs/H.NotifyIcon.WinUI/H.NotifyIcon.WinUI.csproj
index 0776bcd..a22d325 100644
--- a/src/libs/H.NotifyIcon.WinUI/H.NotifyIcon.WinUI.csproj
+++ b/src/libs/H.NotifyIcon.WinUI/H.NotifyIcon.WinUI.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0-windows10.0.17763.0</TargetFramework>
+    <TargetFrameworks>net8.0-windows10.0.17763.0;net8.0-windows10.0.17763.0</TargetFrameworks>
     <UseWinUI>true</UseWinUI>
     <DefineConstants>$(DefineConstants);HAS_WINUI;IS_PACKABLE;HAS_PLATFORM_CODE</DefineConstants>
     <NoWarn>$(NoWarn);CS3021;CA1031;CS8002;CA1513;NETSDK1206</NoWarn>
@@ -11,7 +11,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240627000" />
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.241114003" />
+    <PackageReference Include="System.Collections.Immutable" Version="9.0.0" />
+    <PackageReference Include="System.Reflection.Metadata" Version="9.0.0" />
   </ItemGroup>
 
   <PropertyGroup Label="NuGet">
diff --git a/src/libs/H.NotifyIcon.Wpf/H.NotifyIcon.Wpf.csproj b/src/libs/H.NotifyIcon.Wpf/H.NotifyIcon.Wpf.csproj
index 4254926..703757a 100644
--- a/src/libs/H.NotifyIcon.Wpf/H.NotifyIcon.Wpf.csproj
+++ b/src/libs/H.NotifyIcon.Wpf/H.NotifyIcon.Wpf.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net4.6.2;net6.0-windows;net8.0-windows</TargetFrameworks>
+    <TargetFrameworks>net4.6.2;net8.0-windows;net9.0-windows</TargetFrameworks>
     <UseWPF>true</UseWPF>
     <DefineConstants>$(DefineConstants);HAS_WPF;HAS_PLATFORM_CODE</DefineConstants>
     <RootNamespace>Hardcodet.Wpf.TaskbarNotification</RootNamespace>
diff --git a/src/libs/H.NotifyIcon/H.NotifyIcon.csproj b/src/libs/H.NotifyIcon/H.NotifyIcon.csproj
index e4759fb..9c623c6 100644
--- a/src/libs/H.NotifyIcon/H.NotifyIcon.csproj
+++ b/src/libs/H.NotifyIcon/H.NotifyIcon.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net4.6.2;netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net4.6.2;netstandard2.0;net8.0;net9.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CA1031;CA1003;CA1502;CS3016;CS8981;CA1513</NoWarn>
   </PropertyGroup>
 
diff --git a/src/tests/H.NotifyIcon.IntegrationTests/H.NotifyIcon.IntegrationTests.csproj b/src/tests/H.NotifyIcon.IntegrationTests/H.NotifyIcon.IntegrationTests.csproj
index 4f5fccf..7472cc7 100644
--- a/src/tests/H.NotifyIcon.IntegrationTests/H.NotifyIcon.IntegrationTests.csproj
+++ b/src/tests/H.NotifyIcon.IntegrationTests/H.NotifyIcon.IntegrationTests.csproj
@@ -1,14 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net4.8;net8.0-windows</TargetFrameworks>
+    <TargetFrameworks>net4.8;net9.0-windows</TargetFrameworks>
     <EnableWindowsTargeting>true</EnableWindowsTargeting>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.3" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.3" />
+    <PackageReference Include="MSTest" Version="3.6.3" />
     <PackageReference Include="FluentAssertions" Version="7.0.0" />
     <PackageReference Include="System.Memory" Version="4.6.0" />
   </ItemGroup>