diff --git a/dotnet_grpc_bench/Dockerfile b/dotnet_grpc_bench/Dockerfile
index f94a4a7e..ec8289ad 100644
--- a/dotnet_grpc_bench/Dockerfile
+++ b/dotnet_grpc_bench/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0
+FROM mcr.microsoft.com/dotnet/sdk:9.0
 
 WORKDIR /app
 COPY dotnet_grpc_bench /app
diff --git a/dotnet_grpc_bench/GreeterServer/GreeterServer.csproj b/dotnet_grpc_bench/GreeterServer/GreeterServer.csproj
index e0696bc7..f0bab3ea 100644
--- a/dotnet_grpc_bench/GreeterServer/GreeterServer.csproj
+++ b/dotnet_grpc_bench/GreeterServer/GreeterServer.csproj
@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Grpc.AspNetCore" Version="2.59.0" />
+    <PackageReference Include="Grpc.AspNetCore" Version="2.66.0" />
 
     <Protobuf Include="..\..\proto\helloworld\helloworld.proto" Link="helloworld.proto" />
   </ItemGroup>