diff --git a/Source/timeout/timeout.Domain.Tests/timeout.Domain.Tests.csproj b/Source/timeout/timeout.Domain.Tests/timeout.Domain.Tests.csproj
index 2720b0b..c0cc4a1 100644
--- a/Source/timeout/timeout.Domain.Tests/timeout.Domain.Tests.csproj
+++ b/Source/timeout/timeout.Domain.Tests/timeout.Domain.Tests.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
-    <PackageReference Include="NUnit" Version="4.5.1" />
+    <PackageReference Include="NUnit" Version="4.6.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
   </ItemGroup>