diff --git a/src/MicCheck.AppHost/MicCheck.AppHost.csproj b/src/MicCheck.AppHost/MicCheck.AppHost.csproj
index 6de3e45..b5c1bb8 100755
--- a/src/MicCheck.AppHost/MicCheck.AppHost.csproj
+++ b/src/MicCheck.AppHost/MicCheck.AppHost.csproj
@@ -8,6 +8,7 @@
   <ItemGroup>
     <PackageReference Include="Aspire.Hosting.JavaScript" Version="13.4.2" />
     <PackageReference Include="Aspire.Hosting.PostgreSQL" Version="13.4.0" />
+    <PackageReference Include="MessagePack" Version="2.5.302" />
   </ItemGroup>
 
   <PropertyGroup>