diff --git a/Samples/MachineJob/MachineJob.csproj b/Samples/MachineJob/MachineJob.csproj
index 4dd76b6..0bf9298 100644
--- a/Samples/MachineJob/MachineJob.csproj
+++ b/Samples/MachineJob/MachineJob.csproj
@@ -8,10 +8,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.3" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <TreatAsUsed>true</TreatAsUsed>
     </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="7.0.1" />
     <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="7.0.0" />