diff --git a/Directory.Packages.props b/Directory.Packages.props
index c3c2601f..0d449b4c 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -27,7 +27,7 @@
     <PackageVersion Include="Markdig" Version="1.1.3" />
     <PackageVersion Include="Markdig.Wpf" Version="0.5.0.1" />
     <PackageVersion Include="PixiEditor.ColorPicker" Version="3.4.2.3" />
-    <PackageVersion Include="WPF-UI" Version="2.1.0" />
+    <PackageVersion Include="WPF-UI" Version="4.2.1" />
   </ItemGroup>
 
   <!-- ==================== Lib Project Dependencies ==================== -->