diff --git a/tests/Tenekon.Extensions.CommandLine.PolyType.Tests/Tenekon.Extensions.CommandLine.PolyType.Tests.csproj b/tests/Tenekon.Extensions.CommandLine.PolyType.Tests/Tenekon.Extensions.CommandLine.PolyType.Tests.csproj
index c6a3959..efd4aa2 100644
--- a/tests/Tenekon.Extensions.CommandLine.PolyType.Tests/Tenekon.Extensions.CommandLine.PolyType.Tests.csproj
+++ b/tests/Tenekon.Extensions.CommandLine.PolyType.Tests/Tenekon.Extensions.CommandLine.PolyType.Tests.csproj
@@ -43,7 +43,7 @@
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-        <PackageReference Include="Testably.Abstractions.Testing" Version="5.1.0"/>
+        <PackageReference Include="Testably.Abstractions.Testing" Version="6.0.0"/>
         <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="10.0.3"/>
         <PackageReference Include="xunit" Version="2.9.3"/>
         <PackageReference Include="Xunit.Combinatorial" Version="1.7.31"/>