diff --git a/Directory.Packages.props b/Directory.Packages.props
index c2f6711..def6b6d 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -5,9 +5,9 @@
 
   <ItemGroup>
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.400" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
-    <PackageVersion Include="xunit.v3" Version="3.2.2" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="4.0.0" />
+    <PackageVersion Include="xunit.v3" Version="4.0.0" />
   </ItemGroup>
 </Project>
diff --git a/global.json b/global.json
new file mode 100644
index 0000000..3140116
--- /dev/null
+++ b/global.json
@@ -0,0 +1,5 @@
+{
+  "test": {
+    "runner": "Microsoft.Testing.Platform"
+  }
+}