diff --git a/Hi.Sample.csproj b/Hi.Sample.csproj
index 1d88d08..97efec7 100644
--- a/Hi.Sample.csproj
+++ b/Hi.Sample.csproj
@@ -34,5 +34,8 @@
 	<ItemGroup Condition="'$(Configuration)'=='Release'">
 		<PackageReference Include="HiNc" Version="3.1.*" />
 	</ItemGroup>
+	<ItemGroup>
+	  <Folder Include="Coloring\" />
+	</ItemGroup>
 	
 </Project>
\ No newline at end of file