diff --git a/samples/Newtonsoft.Json.AspNetCore.Samples/Thinktecture.Runtime.Extensions.Newtonsoft.Json.AspNetCore.Samples.csproj b/samples/Newtonsoft.Json.AspNetCore.Samples/Thinktecture.Runtime.Extensions.Newtonsoft.Json.AspNetCore.Samples.csproj
index 92750eff..ac3e5c6e 100644
--- a/samples/Newtonsoft.Json.AspNetCore.Samples/Thinktecture.Runtime.Extensions.Newtonsoft.Json.AspNetCore.Samples.csproj
+++ b/samples/Newtonsoft.Json.AspNetCore.Samples/Thinktecture.Runtime.Extensions.Newtonsoft.Json.AspNetCore.Samples.csproj
@@ -2,9 +2,10 @@
    <PropertyGroup>
       <OutputType>EXE</OutputType>
       <NoWarn>$(NoWarn);CA2007;CA2234</NoWarn>
+      <TargetFrameworks>net8.0</TargetFrameworks>
    </PropertyGroup>
    <ItemGroup>
-      <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="7.0.12" />
+      <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="8.0.0-rc.2.23480.2" />
       <PackageReference Include="Serilog.Extensions.Logging" Version="7.0.0" />
       <PackageReference Include="Serilog.Sinks.Console" Version="4.1.0" />
    </ItemGroup>
diff --git a/samples/Thinktecture.Runtime.Extensions.Benchmarking/Thinktecture.Runtime.Extensions.Benchmarking.csproj b/samples/Thinktecture.Runtime.Extensions.Benchmarking/Thinktecture.Runtime.Extensions.Benchmarking.csproj
index 1f238928..ff5605a0 100644
--- a/samples/Thinktecture.Runtime.Extensions.Benchmarking/Thinktecture.Runtime.Extensions.Benchmarking.csproj
+++ b/samples/Thinktecture.Runtime.Extensions.Benchmarking/Thinktecture.Runtime.Extensions.Benchmarking.csproj
@@ -2,14 +2,14 @@
 
    <PropertyGroup>
       <OutputType>Exe</OutputType>
-      <TargetFramework>net8.0</TargetFramework>
+      <TargetFrameworks>net8.0</TargetFrameworks>
    </PropertyGroup>
 
    <ItemGroup>
-      <PackageReference Include="BenchmarkDotNet" Version="0.13.9" />
+      <PackageReference Include="BenchmarkDotNet" Version="0.13.10" />
       <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.7.0" />
-      <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.12" />
-      <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="7.0.0" />
+      <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.0-rc.2.23480.1" />
+      <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.0-rc.2.23479.6" />
    </ItemGroup>
 
    <ItemGroup>
diff --git a/src/Thinktecture.Runtime.Extensions.Json/Thinktecture.Runtime.Extensions.Json.csproj b/src/Thinktecture.Runtime.Extensions.Json/Thinktecture.Runtime.Extensions.Json.csproj
index 98dfb984..f66d13f3 100644
--- a/src/Thinktecture.Runtime.Extensions.Json/Thinktecture.Runtime.Extensions.Json.csproj
+++ b/src/Thinktecture.Runtime.Extensions.Json/Thinktecture.Runtime.Extensions.Json.csproj
@@ -10,7 +10,7 @@
     </ItemGroup>
 
    <ItemGroup>
-      <PackageReference Include="System.Text.Json" Version="7.0.3" />
+      <PackageReference Include="System.Text.Json" Version="8.0.0-rc.2.23479.6" />
    </ItemGroup>
 
 </Project>
diff --git a/test/Directory.Build.props b/test/Directory.Build.props
index ab3841c5..49ae58da 100644
--- a/test/Directory.Build.props
+++ b/test/Directory.Build.props
@@ -20,8 +20,8 @@
       <PackageReference Include="FluentAssertions" Version="6.12.0" />
       <PackageReference Include="NSubstitute" Version="5.1.0" />
       <PackageReference Include="NSubstitute.Analyzers.CSharp" Version="1.0.16" />
-      <PackageReference Include="xunit" Version="2.5.1" />
-      <PackageReference Include="xunit.runner.visualstudio" Version="2.5.1" PrivateAssets="all" />
+      <PackageReference Include="xunit" Version="2.6.1" />
+      <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" PrivateAssets="all" />
    </ItemGroup>
 
    <ItemGroup>