diff --git a/src/Dhgms.Nucleotide.GenerationTests/Dhgms.Nucleotide.SampleApp.csproj b/src/Dhgms.Nucleotide.GenerationTests/Dhgms.Nucleotide.SampleApp.csproj
index 487ac028..e166565e 100644
--- a/src/Dhgms.Nucleotide.GenerationTests/Dhgms.Nucleotide.SampleApp.csproj
+++ b/src/Dhgms.Nucleotide.GenerationTests/Dhgms.Nucleotide.SampleApp.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="Whipstaff.AspNetCore" Version="6.0.134" />
     <PackageReference Include="Whipstaff.Wpf" Version="6.0.134" />
-    <PackageReference Include="Whipstaff.Wpf.Mahapps" Version="6.0.134" />
+    <PackageReference Include="Whipstaff.Wpf.Mahapps" Version="6.0.220" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.7" />
   </ItemGroup>