diff --git a/sandbox/NativeAot/NativeAot.csproj b/sandbox/NativeAot/NativeAot.csproj
index b88b9124..6c637551 100644
--- a/sandbox/NativeAot/NativeAot.csproj
+++ b/sandbox/NativeAot/NativeAot.csproj
@@ -5,6 +5,7 @@
         <TargetFramework>net7.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
+        <IsPackable>false</IsPackable>
 
         <!-- AOT Options -->
         <!-- https://learn.microsoft.com/ja-jp/dotnet/core/deploying/native-aot/ -->