diff --git a/.github/workflows/dotnetcore.yml b/.github/workflows/dotnetcore.yml
index 1ac9951..657ea0e 100644
--- a/.github/workflows/dotnetcore.yml
+++ b/.github/workflows/dotnetcore.yml
@@ -27,6 +27,14 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: '7.0.x'
+      - name: Setup .NET 8.0
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: '8.0.x'
+      - name: Setup .NET 9.0
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: '9.0.x'
       - name: Checkout
         uses: actions/checkout@v3
       - name: Build
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 4aa4f31..55acb42 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -1,9 +1,9 @@
 <Project>
   <PropertyGroup>
-    <Version>7.0.0</Version>
-    <PackageReleaseNotes>Fix issue for .NET 7.0.1 and 7.0.2</PackageReleaseNotes>
+    <Version>9.0.0</Version>
+    <PackageReleaseNotes>Implement .NET 8 and 9</PackageReleaseNotes>
   </PropertyGroup>
-  
+
   <PropertyGroup>
     <Title>ZNetCS.AspNetCore.IPFiltering</Title>
     <Product>ZNetCS.AspNetCore.IPFiltering</Product>
@@ -24,12 +24,12 @@
     <RepositoryUrl>https://github.com/msmolka/ZNetCS.AspNetCore.IPFiltering</RepositoryUrl>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
   </PropertyGroup>
-  
+
   <PropertyGroup>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>..\StrongNameKey.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
-  
+
   <PropertyGroup>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Nullable>enable</Nullable>
@@ -44,7 +44,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.0">
+    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="9.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/src/ZNetCS.AspNetCore.IPFiltering/ZNetCS.AspNetCore.IPFiltering.csproj b/src/ZNetCS.AspNetCore.IPFiltering/ZNetCS.AspNetCore.IPFiltering.csproj
index 506fdaf..73f9a6c 100644
--- a/src/ZNetCS.AspNetCore.IPFiltering/ZNetCS.AspNetCore.IPFiltering.csproj
+++ b/src/ZNetCS.AspNetCore.IPFiltering/ZNetCS.AspNetCore.IPFiltering.csproj
@@ -2,19 +2,27 @@
 
   <PropertyGroup>
     <AssemblyName>ZNetCS.AspNetCore.IPFiltering</AssemblyName>
-    <TargetFrameworks>netcoreapp3.1;net6.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
     <TreatWarningsAsErrors />
   </PropertyGroup>
-  
+
   <ItemGroup>
-    <PackageReference Include="IPAddressRange" Version="4.2.0" />
+    <PackageReference Include="IPAddressRange" Version="6.1.0" />
   </ItemGroup>
 
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
 
-</Project>
+  <ItemGroup>
+    <PackageReference Update="Microsoft.CodeAnalysis.NetAnalyzers" Version="9.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Update="Microsoft.SourceLink.GitHub" Version="8.0.0" />
+  </ItemGroup>
+
+</Project>
\ No newline at end of file
diff --git a/test/ZNetCS.AspNetCore.IPFilteringTest/ZNetCS.AspNetCore.IPFilteringTest.csproj b/test/ZNetCS.AspNetCore.IPFilteringTest/ZNetCS.AspNetCore.IPFilteringTest.csproj
index 66bc858..737d47b 100644
--- a/test/ZNetCS.AspNetCore.IPFilteringTest/ZNetCS.AspNetCore.IPFilteringTest.csproj
+++ b/test/ZNetCS.AspNetCore.IPFilteringTest/ZNetCS.AspNetCore.IPFilteringTest.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Authors>Marcin Smółka</Authors>
-    <TargetFrameworks>netcoreapp3.1;net6.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
     <IsPackable>false</IsPackable>
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>
@@ -14,14 +14,15 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.0.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.0.1" />
-    <PackageReference Include="coverlet.collector" Version="3.2.0">
+    <PackageReference Include="IPAddressRange" Version="6.1.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="coverlet.collector" Version="6.0.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.0">
+    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="9.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
@@ -41,7 +42,15 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="7.0.1" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="7.0.20" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.11" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0" />
   </ItemGroup>
 
   <ItemGroup>