diff --git a/Directory.Build.props b/Directory.Build.props
index ad2a1c0..9507dab 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>net8.0-windows10.0.22621.0</TargetFramework>
+    <TargetFramework>net9.0-windows10.0.22621.0</TargetFramework>
     <Platforms>x64;arm64</Platforms>
     <Nullable>enable</Nullable>
     <WarningsAsErrors>nullable</WarningsAsErrors>
diff --git a/WinQuickLook.App/WinQuickLook.App.csproj b/WinQuickLook.App/WinQuickLook.App.csproj
index c8cb37b..c67223b 100644
--- a/WinQuickLook.App/WinQuickLook.App.csproj
+++ b/WinQuickLook.App/WinQuickLook.App.csproj
@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="Hardcodet.NotifyIcon.Wpf" Version="2.0.1" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.0" />
   </ItemGroup>
 
   <ItemGroup>