diff --git a/Kirin-Tool/Kirin-Tool.csproj b/Kirin-Tool/Kirin-Tool.csproj
index de0a7fa..beacce6 100644
--- a/Kirin-Tool/Kirin-Tool.csproj
+++ b/Kirin-Tool/Kirin-Tool.csproj
@@ -88,7 +88,7 @@
     <!-- NuGet packages — replaces the old <Reference> tags -->
     <PackageReference Include="BouncyCastle.Cryptography" Version="2.*" />
     <PackageReference Include="Microsoft.Windows.Compatibility" Version="9.*" />
-    <PackageReference Include="WPF-UI" Version="3.*" />
+    <PackageReference Include="WPF-UI" Version="4.*" />
   </ItemGroup>
   <ItemGroup>
     <!-- Resource folders copied to output directory on build -->