diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 363e303..3e5407b 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -21,8 +21,8 @@ jobs:
         uses: actions/setup-dotnet@v1
         with:
           dotnet-version: |
+            9.0.x
             8.0.x
-            7.0.x
 
       - name: 🛠 Restore packages
         run: dotnet restore "${{ env.SOLUTION_PATH }}"
diff --git a/src/Microsoft.Extensions.Logging.Log4Net.AspNetCore/Microsoft.Extensions.Logging.Log4Net.AspNetCore.csproj b/src/Microsoft.Extensions.Logging.Log4Net.AspNetCore/Microsoft.Extensions.Logging.Log4Net.AspNetCore.csproj
index 9909ed0..6544927 100644
--- a/src/Microsoft.Extensions.Logging.Log4Net.AspNetCore/Microsoft.Extensions.Logging.Log4Net.AspNetCore.csproj
+++ b/src/Microsoft.Extensions.Logging.Log4Net.AspNetCore/Microsoft.Extensions.Logging.Log4Net.AspNetCore.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
-		<TargetFrameworks>netstandard2.0;net7.0;net8.0</TargetFrameworks>
+		<TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
 	</PropertyGroup>
 	<PropertyGroup>
 		<PackageRequireLicenseAcceptance>False</PackageRequireLicenseAcceptance>
@@ -18,13 +18,13 @@
 		<RootNamespace>Microsoft.Extensions.Logging.Log4Net.AspNetCore</RootNamespace>
 		<AssemblyName>Microsoft.Extensions.Logging.Log4Net.AspNetCore</AssemblyName>
 		<PackageReleaseNotes>
-			#133 - Compatible with .NET 8.0
+			#133 - Compatible with .NET 9.0
 		</PackageReleaseNotes>
 		<PackageProjectUrl>https://github.com/airsphere-gmbh/Microsoft.Extensions.Logging.Log4Net.AspNetCore/</PackageProjectUrl>
 		<RepositoryUrl>https://github.com/airsphere-gmbh/Microsoft.Extensions.Logging.Log4Net.AspNetCore/</RepositoryUrl>
-		<Version>8.0.0</Version>
-		<AssemblyVersion>8.0.0.0</AssemblyVersion>
-		<FileVersion>8.0.0.0</FileVersion>
+		<Version>9.0.0</Version>
+		<AssemblyVersion>9.0.0.0</AssemblyVersion>
+		<FileVersion>9.0.0.0</FileVersion>
 		<!--<SignAssembly>true</SignAssembly>-->
 		<!--<AssemblyOriginatorKeyFile Condition="'$(Configuration)' == 'Release'">Microsoft.Extensions.Logging.Log4Net.AspNetCoreKey.snk</AssemblyOriginatorKeyFile>-->
 		<PackageLicenseExpression></PackageLicenseExpression>
@@ -81,6 +81,12 @@
 		<PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.0" />
 	</ItemGroup>
+	<ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
+		<PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.0" />
+		<PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.0" />
+		<PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="9.0.0" />
+		<PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="9.0.0" />
+	</ItemGroup>
 	<ItemGroup>
 		<None Include="..\..\LICENSE">
 			<Pack>True</Pack>
diff --git a/tests/Unit.Tests/Unit.Tests.csproj b/tests/Unit.Tests/Unit.Tests.csproj
index 2f4f023..f5b2e13 100644
--- a/tests/Unit.Tests/Unit.Tests.csproj
+++ b/tests/Unit.Tests/Unit.Tests.csproj
@@ -6,7 +6,7 @@
       See: https://xunit.net/docs/why-no-netstandard
       See: https://docs.microsoft.com/en-us/dotnet/standard/net-standard
     -->
-		<TargetFrameworks>netcoreapp3.1;net5.0;net6.0;net7.0;net8.0;net462;net47;net471;net472;net48;net481</TargetFrameworks>
+		<TargetFrameworks>net8.0;net9.0;net481</TargetFrameworks>
 		<IsPackable>false</IsPackable>
 		<SignAssembly>false</SignAssembly>
 		<AssemblyOriginatorKeyFile>Microsoft.Extensions.Logging.Log4Net.AspNetCoreKey.snk</AssemblyOriginatorKeyFile>