diff --git a/Personnummer.Tests/Personnummer.Tests.csproj b/Personnummer.Tests/Personnummer.Tests.csproj
index a8c2208..b628ba7 100644
--- a/Personnummer.Tests/Personnummer.Tests.csproj
+++ b/Personnummer.Tests/Personnummer.Tests.csproj
@@ -1,17 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-
     <IsPackable>false</IsPackable>
-
     <LangVersion>latestmajor</LangVersion>
-
     <TargetFrameworks>net48;net10.0;net8.0;net9.0</TargetFrameworks>
+    <OutputType>Exe</OutputType>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
-    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageReference Include="xunit.v3" Version="3.2.2" />
+    <PackageReference Include="xunit.analyzers" Version="1.27.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
@@ -20,7 +19,7 @@
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net48'">
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
-    <PackageReference Include="System.Text.Json" Version="10.0.7" />
+    <PackageReference Include="System.Text.Json" Version="10.0.9" />
   </ItemGroup>
 
   <ItemGroup>