diff --git a/DigitalData.Auth.Tests/DigitalData.Auth.Tests.csproj b/DigitalData.Auth.Tests/DigitalData.Auth.Tests.csproj
new file mode 100644
index 0000000..78acc89
--- /dev/null
+++ b/DigitalData.Auth.Tests/DigitalData.Auth.Tests.csproj
@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit.Analyzers" Version="3.9.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DigitalData.Auth.Client\DigitalData.Auth.Client.csproj" />
+    <ProjectReference Include="..\src\DigitalData.Auth.API\DigitalData.Auth.API.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="NUnit.Framework" />
+  </ItemGroup>
+
+</Project>
diff --git a/DigitalData.Auth.sln b/DigitalData.Auth.sln
index b86a1c8..5f2af87 100644
--- a/DigitalData.Auth.sln
+++ b/DigitalData.Auth.sln
@@ -9,6 +9,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DigitalData.Auth.API", "src
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.Auth.Client", "DigitalData.Auth.Client\DigitalData.Auth.Client.csproj", "{521A2BC0-AEA8-4500-AAA9-1951556EDF9F}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.Auth.Tests", "DigitalData.Auth.Tests\DigitalData.Auth.Tests.csproj", "{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -23,6 +25,10 @@ Global
 		{521A2BC0-AEA8-4500-AAA9-1951556EDF9F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{521A2BC0-AEA8-4500-AAA9-1951556EDF9F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{521A2BC0-AEA8-4500-AAA9-1951556EDF9F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -30,6 +36,7 @@ Global
 	GlobalSection(NestedProjects) = preSolution
 		{1AF05BC2-6F15-420A-85F6-E6F8740CD557} = {C0123B52-5168-4C87-98A0-11A220EC392F}
 		{521A2BC0-AEA8-4500-AAA9-1951556EDF9F} = {C0123B52-5168-4C87-98A0-11A220EC392F}
+		{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3} = {C0123B52-5168-4C87-98A0-11A220EC392F}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {4D163037-043C-41AE-AB94-C7314F2C38DA}