diff --git a/Contracts/Synergy.Contracts.Test/Architecture/Debt/Todos.Technical.Debt.verified.md b/Contracts/Synergy.Contracts.Test/Architecture/Debt/Todos.Technical.Debt.verified.md
index bc75634..d1cda89 100644
--- a/Contracts/Synergy.Contracts.Test/Architecture/Debt/Todos.Technical.Debt.verified.md
+++ b/Contracts/Synergy.Contracts.Test/Architecture/Debt/Todos.Technical.Debt.verified.md
@@ -1,6 +1,6 @@
 # Technical Debt for Synergy.Contracts
 
-Total: 14
+Total: 15
 
 ## [ContractorRepository.cs](../../Failures/Doubles/ContractorRepository.cs)
 - TODO: Marcin Celej [from: Marcin Celej on: 30-04-2023]: Remove this sample project
@@ -8,6 +8,9 @@ Total: 14
 ## [BusinessDocumentation.cs](../../Requirements/BusinessDocumentation.cs)
 - TODO: Marcin Celej [from: Marcin Celej on: 08-04-2023]: check that and probably convert docs int tt
 
+## [Synergy.Contracts.Test.csproj](../../Synergy.Contracts.Test.csproj)
+- TODO: Remobve NUnit and replace it with xunit
+
 ## [FailBoolean.cs](../../../Synergy.Contracts/Failures/FailBoolean.cs)
 - TODO:mace (from:mace @ 22-10-2016): variable.FailIfFalse(message)
 - TODO:mace (from:mace @ 22-10-2016): variable.FailIfTrue(message)
diff --git a/Contracts/Synergy.Contracts.Test/Synergy.Contracts.Test.csproj b/Contracts/Synergy.Contracts.Test/Synergy.Contracts.Test.csproj
index e9fbab4..c3f1e56 100644
--- a/Contracts/Synergy.Contracts.Test/Synergy.Contracts.Test.csproj
+++ b/Contracts/Synergy.Contracts.Test/Synergy.Contracts.Test.csproj
@@ -34,7 +34,8 @@
   <ItemGroup>
     <PackageReference Include="JetBrains.Annotations" Version="2023.3.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <!-- TODO: Remobve NUnit and replace it with xunit -->
+    <PackageReference Include="NUnit" Version="4.0.1" />
     <PackageReference Include="Verify.Xunit" Version="22.11.4" />
     <PackageReference Include="xunit" Version="2.6.5" />
     <Reference Include="System.Runtime, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />