diff --git a/.github/workflows/build-validation.yml b/.github/workflows/build-validation.yml
index 27b8ace..dea485e 100644
--- a/.github/workflows/build-validation.yml
+++ b/.github/workflows/build-validation.yml
@@ -41,7 +41,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@main
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
 
     - name: Restore dependencies for ${{ matrix.project }}
       run: |
@@ -62,7 +62,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@main
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
 
     - name: Run tests
       run: |
diff --git a/.github/workflows/publish-nuget.yml b/.github/workflows/publish-nuget.yml
index d5b414d..f23f64a 100644
--- a/.github/workflows/publish-nuget.yml
+++ b/.github/workflows/publish-nuget.yml
@@ -12,7 +12,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@main
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
     - name: Test
       run: dotnet test --filter "Category!=EndToEnd" --configuration Release
     
@@ -65,7 +65,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@main
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
         
     - name: Restore dependencies for ${{ matrix.project }}
       run: |
diff --git a/.github/workflows/publish-to-gh-pages.yml b/.github/workflows/publish-to-gh-pages.yml
index cc9eaa3..f9c67a4 100644
--- a/.github/workflows/publish-to-gh-pages.yml
+++ b/.github/workflows/publish-to-gh-pages.yml
@@ -22,7 +22,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@main
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
     - name: Publish .NET Core Project
       run: dotnet publish samples/Blazor.ExampleConsumer/Blazor.ExampleConsumer.csproj -c Release -o release --nologo
 
diff --git a/Directory.Build.props b/Directory.Build.props
index ab82f05..1dc2fc9 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <DefaultTargetFrameworks>net7.0;net8.0</DefaultTargetFrameworks>
+    <DefaultTargetFrameworks>net8.0;net9.0</DefaultTargetFrameworks>
     <LangVersion>preview</LangVersion>
   </PropertyGroup>
 
diff --git a/Directory.Packages.props b/Directory.Packages.props
index 54f53b5..298f5ba 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -17,15 +17,6 @@
     <PackageVersion Include="Basic.Reference.Assemblies" Version="1.4.5" />
     <PackageVersion Include="Humanizer.Core" Version="2.14.1" />
   </ItemGroup>
-  <!-- .NET 7.0 bits -->
-  <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
-    <PackageVersion Include="Microsoft.AspNetCore.Components.Web" Version="7.0.14" />
-    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
-    <PackageVersion Include="Microsoft.Extensions.Primitives" Version="7.0.0" />
-    <PackageVersion Include="Microsoft.JSInterop" Version="7.0.14" />
-    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="7.0.14" />
-    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="7.0.14" />
-  </ItemGroup>
   <!-- .NET 8.0 bits -->
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
     <PackageVersion Include="Microsoft.AspNetCore.Components.Web" Version="8.0.0" />
@@ -35,4 +26,13 @@
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="8.0.0" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="8.0.0" />
   </ItemGroup>
+  <!-- .NET 9.0 bits -->
+  <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
+    <PackageVersion Include="Microsoft.AspNetCore.Components.Web" Version="9.0.0" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="9.0.0" />
+    <PackageVersion Include="Microsoft.Extensions.Primitives" Version="9.0.0" />
+    <PackageVersion Include="Microsoft.JSInterop" Version="9.0.0" />
+    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="9.0.0" />
+    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="9.0.0" />
+  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/samples/Blazor.ExampleConsumer/Blazor.ExampleConsumer.csproj b/samples/Blazor.ExampleConsumer/Blazor.ExampleConsumer.csproj
index 557a095..b476a44 100644
--- a/samples/Blazor.ExampleConsumer/Blazor.ExampleConsumer.csproj
+++ b/samples/Blazor.ExampleConsumer/Blazor.ExampleConsumer.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
diff --git a/samples/BlazorServer.ExampleConsumer/BlazorServer.ExampleConsumer.csproj b/samples/BlazorServer.ExampleConsumer/BlazorServer.ExampleConsumer.csproj
index 138ed72..875e4ce 100644
--- a/samples/BlazorServer.ExampleConsumer/BlazorServer.ExampleConsumer.csproj
+++ b/samples/BlazorServer.ExampleConsumer/BlazorServer.ExampleConsumer.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
diff --git a/tests/Blazor.ExampleConsumer.EndToEndTests/Blazor.ExampleConsumer.EndToEndTests.csproj b/tests/Blazor.ExampleConsumer.EndToEndTests/Blazor.ExampleConsumer.EndToEndTests.csproj
index 5e98431..4471b35 100644
--- a/tests/Blazor.ExampleConsumer.EndToEndTests/Blazor.ExampleConsumer.EndToEndTests.csproj
+++ b/tests/Blazor.ExampleConsumer.EndToEndTests/Blazor.ExampleConsumer.EndToEndTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <IsPackable>false</IsPackable>
diff --git a/tests/Blazor.SourceGenerators.Tests/Blazor.SourceGenerators.Tests.csproj b/tests/Blazor.SourceGenerators.Tests/Blazor.SourceGenerators.Tests.csproj
index 15eda9c..a52842f 100644
--- a/tests/Blazor.SourceGenerators.Tests/Blazor.SourceGenerators.Tests.csproj
+++ b/tests/Blazor.SourceGenerators.Tests/Blazor.SourceGenerators.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <IsPackable>false</IsPackable>