diff --git a/Hcs.WebApp/Hcs.WebApp.csproj b/Hcs.WebApp/Hcs.WebApp.csproj
index 3f4b659..9e73353 100644
--- a/Hcs.WebApp/Hcs.WebApp.csproj
+++ b/Hcs.WebApp/Hcs.WebApp.csproj
@@ -23,6 +23,8 @@
     </PackageReference>
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="8.0.7" />
     <PackageReference Include="Radzen.Blazor" Version="8.0.4" />
+    <PackageReference Include="Sylvan.Data" Version="0.2.16" />
+    <PackageReference Include="Sylvan.Data.Excel" Version="0.5.2" />
   </ItemGroup>
 
   <ItemGroup>