diff --git a/orleans/HelloWorld/HelloWorld.csproj b/orleans/HelloWorld/HelloWorld.csproj
index 7fda56977e5..785c6a04b2d 100644
--- a/orleans/HelloWorld/HelloWorld.csproj
+++ b/orleans/HelloWorld/HelloWorld.csproj
@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <OutputType>Exe</OutputType>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Orleans.Server" Version="7.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Orleans.Server" Version="8.0.0" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/orleans/HelloWorld/Program.cs b/orleans/HelloWorld/Program.cs
index f060dc6b8e0..aaeadc60f85 100644
--- a/orleans/HelloWorld/Program.cs
+++ b/orleans/HelloWorld/Program.cs
@@ -1,4 +1,4 @@
-using HelloWorld;
+using HelloWorld;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 
diff --git a/orleans/HelloWorld/README.md b/orleans/HelloWorld/README.md
index 2c8c3dd37c4..4a206393df5 100644
--- a/orleans/HelloWorld/README.md
+++ b/orleans/HelloWorld/README.md
@@ -89,7 +89,7 @@ Once we have a reference, we can put it to use and call `friend.SayHello("Good m
 
 ## Sample prerequisites
 
-This sample is written in C# and targets .NET 7.0. It requires the [.NET 7.0 SDK](https://dotnet.microsoft.com/download/dotnet/7.0) or later.
+This sample is written in C# and targets .NET 8.0. It requires the [.NET 8.0 SDK](https://dotnet.microsoft.com/download/dotnet/8.0) or later.
 
 ## Building the sample