diff --git a/plist-cil.benchmark/plist-cil.benchmark.csproj b/plist-cil.benchmark/plist-cil.benchmark.csproj
index 36cc1e8..de77459 100644
--- a/plist-cil.benchmark/plist-cil.benchmark.csproj
+++ b/plist-cil.benchmark/plist-cil.benchmark.csproj
@@ -1,13 +1,13 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RootNamespace>Claunia.PropertyList.Benchmark</RootNamespace>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.12.1" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.14.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/plist-cil.test/plist-cil.test.csproj b/plist-cil.test/plist-cil.test.csproj
index 6f69214..5a42cf0 100644
--- a/plist-cil.test/plist-cil.test.csproj
+++ b/plist-cil.test/plist-cil.test.csproj
@@ -1,13 +1,16 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.4" />
-    <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
 
   <ItemGroup>
diff --git a/plist-cil/plist-cil.csproj b/plist-cil/plist-cil.csproj
index 2ec3529..bbe0c38 100644
--- a/plist-cil/plist-cil.csproj
+++ b/plist-cil/plist-cil.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netstandard2.0;netcoreapp2.1;netcoreapp3.1;net5.0</TargetFrameworks>
+    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
     <VersionPrefix>2.2</VersionPrefix>
     <Authors>Natalia Portillo</Authors>
     <Company>Claunia.com</Company>
@@ -31,7 +31,7 @@ Add .NET 5.0 support.</PackageReleaseNotes>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(OS)' == 'Windows_NT'">
-    <TargetFrameworks>$(TargetFrameworks);net45</TargetFrameworks>
+    <TargetFrameworks>$(TargetFrameworks);net462</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
@@ -42,16 +42,16 @@ Add .NET 5.0 support.</PackageReleaseNotes>
     <DefineConstants>TRACE;DEBUG</DefineConstants>
   </PropertyGroup>
   
-  <PropertyGroup Condition=" '$(TargetFramework)' != 'net45' AND '$(TargetFramework)' != 'netstandard2.0'">
+  <PropertyGroup Condition=" '$(TargetFramework)' != 'net462'">
     <DefineConstants>$(DefineConstants);NATIVE_SPAN</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' OR '$(TargetFramework)' == 'netstandard2.0' ">
-    <PackageReference Include="System.Memory" Version="4.5.4" />
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net462'">
+    <PackageReference Include="System.Memory" Version="4.6.0" />
   </ItemGroup>
 
   <ItemGroup>