diff --git a/README.md b/README.md
index c812d07..812690b 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ description: "This architecture walks you through the process involved in develo
 [![Node.js CI](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/actions/workflows/nodejs.yml/badge.svg)](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/actions/workflows/nodejs.yml) 
 [![spa build](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/actions/workflows/spa.yml/badge.svg)](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/actions/workflows/spa.yml)
 
-> This sample has been upgraded to Azure Functions v3. An upgrade to Azure Functions v4 is in progress. See [PR #43](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/pull/43) for details.
+> This sample is being upgraded to Azure Functions v4 / dotnet 6. See [PR #43](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/pull/43) for details.
 
 ## The reference architecture
 
diff --git a/dotnet/ServerlessMicroservices.FunctionApp.Drivers/ServerlessMicroservices.FunctionApp.Drivers.csproj b/dotnet/ServerlessMicroservices.FunctionApp.Drivers/ServerlessMicroservices.FunctionApp.Drivers.csproj
index 30aa239..e73d606 100644
--- a/dotnet/ServerlessMicroservices.FunctionApp.Drivers/ServerlessMicroservices.FunctionApp.Drivers.csproj
+++ b/dotnet/ServerlessMicroservices.FunctionApp.Drivers/ServerlessMicroservices.FunctionApp.Drivers.csproj
@@ -1,12 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
-    <AzureFunctionsVersion>v3</AzureFunctionsVersion>
+    <TargetFramework>net6.0</TargetFramework>
+    <AzureFunctionsVersion>v4</AzureFunctionsVersion>
+    <_FunctionsSkipCleanOutput>true</_FunctionsSkipCleanOutput>
   </PropertyGroup>
   <ItemGroup>
     <!--<PackageReference Include="Microsoft.AspNetCore.Mvc.Abstractions" Version="2.2.0" />-->
     <!--<PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Http" Version="3.0.12" />-->
-    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="3.0.13" />
+    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="4.0.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\ServerlessMicroservices.Models\ServerlessMicroservices.Models.csproj" />
diff --git a/dotnet/ServerlessMicroservices.FunctionApp.Orchestrators/ServerlessMicroservices.FunctionApp.Orchestrators.csproj b/dotnet/ServerlessMicroservices.FunctionApp.Orchestrators/ServerlessMicroservices.FunctionApp.Orchestrators.csproj
index 7dccd57..65c3e60 100644
--- a/dotnet/ServerlessMicroservices.FunctionApp.Orchestrators/ServerlessMicroservices.FunctionApp.Orchestrators.csproj
+++ b/dotnet/ServerlessMicroservices.FunctionApp.Orchestrators/ServerlessMicroservices.FunctionApp.Orchestrators.csproj
@@ -1,12 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
-    <AzureFunctionsVersion>v3</AzureFunctionsVersion>
+	<TargetFramework>net6.0</TargetFramework>
+	<AzureFunctionsVersion>v4</AzureFunctionsVersion>
+	<_FunctionsSkipCleanOutput>true</_FunctionsSkipCleanOutput>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.DurableTask" Version="2.6.0" />
-    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Storage" Version="5.0.0" />
-    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="3.0.13" />
+    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.DurableTask" Version="2.6.1" />
+	<PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Storage.Queues" Version="5.0.0" />
+    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="4.0.1" />
   </ItemGroup>
   <ItemGroup>
     <None Update="host.json">
diff --git a/dotnet/ServerlessMicroservices.FunctionApp.Passengers/ServerlessMicroservices.FunctionApp.Passengers.csproj b/dotnet/ServerlessMicroservices.FunctionApp.Passengers/ServerlessMicroservices.FunctionApp.Passengers.csproj
index c1ffded..8ce7f49 100644
--- a/dotnet/ServerlessMicroservices.FunctionApp.Passengers/ServerlessMicroservices.FunctionApp.Passengers.csproj
+++ b/dotnet/ServerlessMicroservices.FunctionApp.Passengers/ServerlessMicroservices.FunctionApp.Passengers.csproj
@@ -1,11 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
-    <AzureFunctionsVersion>v3</AzureFunctionsVersion>
-    <_FunctionsSkipCleanOutput>true</_FunctionsSkipCleanOutput>
+	<TargetFramework>net6.0</TargetFramework>
+	<AzureFunctionsVersion>v4</AzureFunctionsVersion>
+	<_FunctionsSkipCleanOutput>true</_FunctionsSkipCleanOutput>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="3.0.13" />
+    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="4.0.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\ServerlessMicroservices.Models\ServerlessMicroservices.Models.csproj" />
diff --git a/dotnet/ServerlessMicroservices.FunctionApp.Trips/ServerlessMicroservices.FunctionApp.Trips.csproj b/dotnet/ServerlessMicroservices.FunctionApp.Trips/ServerlessMicroservices.FunctionApp.Trips.csproj
index 0fa7f0a..d63a4f5 100644
--- a/dotnet/ServerlessMicroservices.FunctionApp.Trips/ServerlessMicroservices.FunctionApp.Trips.csproj
+++ b/dotnet/ServerlessMicroservices.FunctionApp.Trips/ServerlessMicroservices.FunctionApp.Trips.csproj
@@ -1,13 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
-    <AzureFunctionsVersion>v3</AzureFunctionsVersion>
+	<TargetFramework>net6.0</TargetFramework>
+	<AzureFunctionsVersion>v4</AzureFunctionsVersion>
+	<_FunctionsSkipCleanOutput>true</_FunctionsSkipCleanOutput>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.EventGrid" Version="3.0.0" />
+    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.EventGrid" Version="3.1.0" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.SignalRService" Version="1.6.0" />
-    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Storage" Version="5.0.0" />
-    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="3.0.13" />
+	<PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="6.0.2" />
+    <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Storage.Blobs" Version="5.0.0" />
+    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="4.0.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\ServerlessMicroservices.Models\ServerlessMicroservices.Models.csproj" />
diff --git a/dotnet/ServerlessMicroservices.Models/ServerlessMicroservices.Models.csproj b/dotnet/ServerlessMicroservices.Models/ServerlessMicroservices.Models.csproj
index 3271307..eae6d33 100644
--- a/dotnet/ServerlessMicroservices.Models/ServerlessMicroservices.Models.csproj
+++ b/dotnet/ServerlessMicroservices.Models/ServerlessMicroservices.Models.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/dotnet/ServerlessMicroservices.Seeder/ServerlessMicroservices.Seeder.csproj b/dotnet/ServerlessMicroservices.Seeder/ServerlessMicroservices.Seeder.csproj
index f278268..b1c2116 100644
--- a/dotnet/ServerlessMicroservices.Seeder/ServerlessMicroservices.Seeder.csproj
+++ b/dotnet/ServerlessMicroservices.Seeder/ServerlessMicroservices.Seeder.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/dotnet/ServerlessMicroservices.Shared/ServerlessMicroservices.Shared.csproj b/dotnet/ServerlessMicroservices.Shared/ServerlessMicroservices.Shared.csproj
index 424cdc2..5050d11 100644
--- a/dotnet/ServerlessMicroservices.Shared/ServerlessMicroservices.Shared.csproj
+++ b/dotnet/ServerlessMicroservices.Shared/ServerlessMicroservices.Shared.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/scripts/run-local.ps1 b/scripts/run-local.ps1
index 5fea02c..e84cbbe 100644
--- a/scripts/run-local.ps1
+++ b/scripts/run-local.ps1
@@ -1,5 +1,5 @@
 # NOTE: Install latest versions of Node and NPM: https://nodejs.org/en/download/
-# NOTE: Install latest version of func CLI: https://docs.microsoft.com/en-us/azure/azure-functions/functions-run-local
+# NOTE: Function core tools v4 must be installed: https://docs.microsoft.com/en-us/azure/azure-functions/functions-run-local?tabs=v4%2Cwindows%2Ccsharp%2Cportal%2Cbash#install-the-azure-functions-core-tools
 # NOTE: Start Azure Storage Emulator https://docs.microsoft.com/en-us/azure/storage/common/storage-use-emulator
 
 $ErrorActionPreference = 'Stop'
@@ -19,17 +19,20 @@ try {
     Write-Host 'Build and start Trip Archiver Nodejs Function...'
     Start-Process pwsh { -c cd ../nodejs/serverless-microservices-functionapp-triparchiver && npm install && npm run pack && func start --javascript -p 7075 --cors http://localhost:4280 }
 
+    Write-Host 'Build dotnet...'
+    dotnet build -c Debug
+
     Write-Host 'Build and start Drivers Function...'
-    Start-Process pwsh { -c cd ServerlessMicroservices.FunctionApp.Drivers && func start --csharp -p 7071 --cors http://localhost:4280 }
+    Start-Process pwsh { -c cd ServerlessMicroservices.FunctionApp.Drivers/bin/Debug/net6.0 && func start --csharp -p 7071 --cors http://localhost:4280 --no-build }
     
     Write-Host 'Build and start Trips Function...'
-    Start-Process pwsh { -c cd ServerlessMicroservices.FunctionApp.Trips && func start --csharp -p 7072 --cors http://localhost:4280 }
+    Start-Process pwsh { -c cd ServerlessMicroservices.FunctionApp.Trips/bin/Debug/net6.0 && func start --csharp -p 7072 --cors http://localhost:4280 --no-build }
     
     Write-Host 'Build and start Passengers Function...'
-    Start-Process pwsh { -c cd ServerlessMicroservices.FunctionApp.Passengers && func start --csharp -p 7073 --cors http://localhost:4280 }
+    Start-Process pwsh { -c cd ServerlessMicroservices.FunctionApp.Passengers/bin/Debug/net6.0 && func start --csharp -p 7073 --cors http://localhost:4280 --no-build }
     
     Write-Host 'Build and start Orchestrators Function...'
-    Start-Process pwsh { -c cd ServerlessMicroservices.FunctionApp.Orchestrators && func start --csharp -p 7074 --cors http://localhost:4280 }
+    Start-Process pwsh { -c cd ServerlessMicroservices.FunctionApp.Orchestrators/bin/Debug/net6.0 && func start --csharp -p 7074 --cors http://localhost:4280 --no-build }
 
     Write-Host 'When all builds have finished, open browser at http://localhost:4280/'