diff --git a/MaxMind.Db.SourceGenerator.Test/MaxMind.Db.SourceGenerator.Test.csproj b/MaxMind.Db.SourceGenerator.Test/MaxMind.Db.SourceGenerator.Test.csproj
index 715e0ad..f7acf0a 100644
--- a/MaxMind.Db.SourceGenerator.Test/MaxMind.Db.SourceGenerator.Test.csproj
+++ b/MaxMind.Db.SourceGenerator.Test/MaxMind.Db.SourceGenerator.Test.csproj
@@ -20,7 +20,7 @@
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     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
-    <PackageReference Include="xunit.v3.mtp-v2" Version="3.2.2" />
+    <PackageReference Include="xunit.v3.mtp-v2" Version="4.0.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>