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 72ab8a8..4651413 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
@@ -38,7 +38,7 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0"/>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0"/>
         <PackageReference Include="PolyType" Version="1.1.1"/>
         <PackageReference Include="Shouldly" Version="4.3.0"/>
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0"/>