diff --git a/src/samples/Directory.Packages.props b/src/samples/Directory.Packages.props
index e034d96a..3582676d 100644
--- a/src/samples/Directory.Packages.props
+++ b/src/samples/Directory.Packages.props
@@ -7,7 +7,7 @@
     <PackageVersion Include="ReactiveUI.Avalonia" Version="14.7.1" />
     <PackageVersion Include="Avalonia.Desktop" Version="11.3.12" />
     <PackageVersion Include="Avalonia.Diagnostics" Version="11.3.12" />
-    <PackageVersion Include="MessageBox.Avalonia" Version="3.3.1.1" />
+    <PackageVersion Include="MessageBox.Avalonia" Version="12.0.0" />
     <PackageVersion Include="ReactiveUI.SourceGenerators" Version="2.6.1" />
     <PackageVersion Include="MahApps.Metro" Version="2.4.11" />
     <PackageVersion Include="ReactiveUI.WPF" Version="23.1.8" />