diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9a62fb8..a23401c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,7 +19,7 @@ jobs:
 
     strategy:
       matrix:
-        dotnet-version: [ '8.0.x' ]
+        dotnet-version: [ '9.x' ]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 94b03d6..4ef110a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
     timeout-minutes: 15
     strategy:
       matrix:
-        dotnet-version: [ '8.0.x' ]
+        dotnet-version: [ '9.x' ]
     steps:
       - uses: actions/checkout@v4
       - name: Setup dotnet
diff --git a/src/Sidio.Web.Security.AspNetCore.Tests/Sidio.Web.Security.AspNetCore.Tests.csproj b/src/Sidio.Web.Security.AspNetCore.Tests/Sidio.Web.Security.AspNetCore.Tests.csproj
index ef3f51e..4fc9d45 100644
--- a/src/Sidio.Web.Security.AspNetCore.Tests/Sidio.Web.Security.AspNetCore.Tests.csproj
+++ b/src/Sidio.Web.Security.AspNetCore.Tests/Sidio.Web.Security.AspNetCore.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
 
diff --git a/src/Sidio.Web.Security.AspNetCore/Sidio.Web.Security.AspNetCore.csproj b/src/Sidio.Web.Security.AspNetCore/Sidio.Web.Security.AspNetCore.csproj
index aaeae8f..bc8b45a 100644
--- a/src/Sidio.Web.Security.AspNetCore/Sidio.Web.Security.AspNetCore.csproj
+++ b/src/Sidio.Web.Security.AspNetCore/Sidio.Web.Security.AspNetCore.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
 
diff --git a/src/Sidio.Web.Security.Examples.AspNetCore.Tests/Sidio.Web.Security.Examples.AspNetCore.Tests.csproj b/src/Sidio.Web.Security.Examples.AspNetCore.Tests/Sidio.Web.Security.Examples.AspNetCore.Tests.csproj
index 56e402d..8e1e99a 100644
--- a/src/Sidio.Web.Security.Examples.AspNetCore.Tests/Sidio.Web.Security.Examples.AspNetCore.Tests.csproj
+++ b/src/Sidio.Web.Security.Examples.AspNetCore.Tests/Sidio.Web.Security.Examples.AspNetCore.Tests.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>
 
@@ -25,7 +25,7 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.10" />
+        <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/src/Sidio.Web.Security.Examples.AspNetCore/Sidio.Web.Security.Examples.AspNetCore.csproj b/src/Sidio.Web.Security.Examples.AspNetCore/Sidio.Web.Security.Examples.AspNetCore.csproj
index e349262..b815f8a 100644
--- a/src/Sidio.Web.Security.Examples.AspNetCore/Sidio.Web.Security.Examples.AspNetCore.csproj
+++ b/src/Sidio.Web.Security.Examples.AspNetCore/Sidio.Web.Security.Examples.AspNetCore.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/src/Sidio.Web.Security.Testing.Tests/Sidio.Web.Security.Testing.Tests.csproj b/src/Sidio.Web.Security.Testing.Tests/Sidio.Web.Security.Testing.Tests.csproj
index dece7fc..7bda979 100644
--- a/src/Sidio.Web.Security.Testing.Tests/Sidio.Web.Security.Testing.Tests.csproj
+++ b/src/Sidio.Web.Security.Testing.Tests/Sidio.Web.Security.Testing.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net481;net8.0</TargetFrameworks>
+        <TargetFrameworks>net481;net8.0;net9.0</TargetFrameworks>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <LangVersion>Latest</LangVersion>
diff --git a/src/Sidio.Web.Security.Testing/Sidio.Web.Security.Testing.csproj b/src/Sidio.Web.Security.Testing/Sidio.Web.Security.Testing.csproj
index d350842..ad6c558 100644
--- a/src/Sidio.Web.Security.Testing/Sidio.Web.Security.Testing.csproj
+++ b/src/Sidio.Web.Security.Testing/Sidio.Web.Security.Testing.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <LangVersion>Latest</LangVersion>
diff --git a/src/Sidio.Web.Security.Tests/Sidio.Web.Security.Tests.csproj b/src/Sidio.Web.Security.Tests/Sidio.Web.Security.Tests.csproj
index 160fa86..616814d 100644
--- a/src/Sidio.Web.Security.Tests/Sidio.Web.Security.Tests.csproj
+++ b/src/Sidio.Web.Security.Tests/Sidio.Web.Security.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net481;net8.0</TargetFrameworks>
+        <TargetFrameworks>net481;net8.0;net9.0</TargetFrameworks>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <LangVersion>Latest</LangVersion>
diff --git a/src/Sidio.Web.Security/Sidio.Web.Security.csproj b/src/Sidio.Web.Security/Sidio.Web.Security.csproj
index 6e62973..9417fe2 100644
--- a/src/Sidio.Web.Security/Sidio.Web.Security.csproj
+++ b/src/Sidio.Web.Security/Sidio.Web.Security.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <LangVersion>Latest</LangVersion>
@@ -31,15 +31,15 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="8.0.0" />
-      <PackageReference Include="Microsoft.Extensions.Http" Version="8.0.1" />
-      <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.2" />
-      <PackageReference Include="Microsoft.Extensions.Options" Version="8.0.2" />
+      <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="9.0.0" />
+      <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.0" />
+      <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.0" />
+      <PackageReference Include="Microsoft.Extensions.Options" Version="9.0.0" />
       <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       </PackageReference>
-      <PackageReference Include="System.Text.Json" Version="8.0.5" />
+      <PackageReference Include="System.Text.Json" Version="9.0.0" />
     </ItemGroup>
 
     <ItemGroup>