diff --git a/Directory.Packages.props b/Directory.Packages.props
index 3e5391513..818bfaad2 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -38,7 +38,7 @@
     <PackageVersion Include="BenchmarkDotNet" Version="0.15.8" />
 
     <!-- Test stack (winner = newest, matches DotBoxD.Kernels.Tests config) -->
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageVersion Include="xunit" Version="2.9.3" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.4" />
     <PackageVersion Include="coverlet.collector" Version="6.0.4" />