Update to net9.0

.devcontainer/devcontainer.json

@@ -3,7 +3,7 @@
 {
   "name": "C# (.NET)",
   // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-  "image": "mcr.microsoft.com/devcontainers/dotnet:8.0",
+  "image": "mcr.microsoft.com/devcontainers/dotnet:9.0",
 
   // Features to add to the dev container. More info: https://containers.dev/features.
   // "features": {},

.github/workflows/CI.yml

@@ -55,7 +55,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
 
       - name : dotnet restore
         run: dotnet restore
@@ -64,7 +64,7 @@ jobs:
         run: dotnet build --configuration ${{ env.PROJECT_CONFIGURATION }} --no-restore
 
       - name: dotnet test
-        run: dotnet test --configuration ${{ env.PROJECT_CONFIGURATION }} -f net8.0 /p:CollectCoverage=true /p:CoverletOutputFormat=opencover --no-restore --verbosity minimal
+        run: dotnet test --configuration ${{ env.PROJECT_CONFIGURATION }} -f net9.0 /p:CollectCoverage=true /p:CoverletOutputFormat=opencover --no-restore --verbosity minimal
 
       - name: dotnet test (.NET Framework)
         if: matrix.os == 'windows-latest'

.github/workflows/publish.yml

@@ -46,7 +46,7 @@ jobs:
      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
 
      - name: Set release version
        if: github.ref_type == 'tag'
@@ -83,7 +83,7 @@ jobs:
        run: dotnet build --configuration ${{ env.PROJECT_CONFIGURATION }} --no-restore
 
      - name: dotnet test
-       run: dotnet test --configuration ${{ env.PROJECT_CONFIGURATION }} -f net8.0 --no-restore --verbosity minimal
+       run: dotnet test --configuration ${{ env.PROJECT_CONFIGURATION }} -f net9.0 --no-restore --verbosity minimal
 
      - name: dotnet pack
        if: github.ref_type == 'tag'

NuGet.md

@@ -31,7 +31,7 @@ phoneNumber.ToString("RFC3966");         // tel:+44-114-272-644 (RFC3966 format)
 
 Builds for:
 
-- .NET 8.0
+- .NET 9.0
 - .NET Standard 2.1 - _supports .NET Core 3.0 or newer and .NET 5.0 or newer_
 - .NET Standard 2.0 - _supports .NET Framework 4.6.2 or newer, however projects will need to be built with a minimum C# language version of 9.0 due to use of init only properties_
 

README.md

@@ -162,7 +162,7 @@ The library adheres to [Semantic Versioning](https://semver.org) and [release no
 
 Specific builds are included in the nuget package for:
 
-- .NET 8.0
+- .NET 9.0
 - .NET Standard 2.1 - _supports .NET Core 3.0 or newer and .NET 5.0 or newer_
 - .NET Standard 2.0 - _supports .NET Framework 4.6.2 or newer, however projects will need to be built with a minimum C# language version of 9.0 due to use of init only properties_
 

src/PhoneNumbers/PhoneNumbers.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <AssemblyName>PhoneNumbers</AssemblyName>
     <RootNamespace>PhoneNumbers</RootNamespace>
-    <TargetFrameworks>net8.0;netstandard2.1;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net9.0;netstandard2.1;netstandard2.0</TargetFrameworks>
     <LangVersion>12.0</LangVersion>
     <Nullable>enable</Nullable>
     <AnalysisMode>AllEnabledByDefault</AnalysisMode>

test/PhoneNumbers.Data.Tests/PhoneNumbers.Data.Tests.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <AssemblyName>PhoneNumbers.Data.Tests</AssemblyName>
     <RootNamespace>PhoneNumbers.Tests</RootNamespace>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <LangVersion>12.0</LangVersion>
     <IsPackable>false</IsPackable>
     <SignAssembly>true</SignAssembly>

test/PhoneNumbers.Tests/PhoneNumbers.Tests.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <AssemblyName>PhoneNumbers.Tests</AssemblyName>
     <RootNamespace>PhoneNumbers.Tests</RootNamespace>
-    <TargetFrameworks>net8.0;net462</TargetFrameworks>
+    <TargetFrameworks>net9.0;net462</TargetFrameworks>
     <LangVersion>12.0</LangVersion>
     <IsPackable>false</IsPackable>
     <SignAssembly>true</SignAssembly>