diff --git a/Directory.Packages.props b/Directory.Packages.props
index 0184639..a24476e 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="$(TargetRoslynVersion)" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.XUnit" Version="1.1.1" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" Version="1.1.1" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="$(TargetRoslynVersion)" />
     <PackageVersion Include="Microsoft.CodeAnalysis" Version="$(TargetRoslynVersion)" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
diff --git a/test/CSharpIsNullAnalyzer.Tests/CSharpIsNullAnalyzer.Tests.csproj b/test/CSharpIsNullAnalyzer.Tests/CSharpIsNullAnalyzer.Tests.csproj
index 3d03796..849c228 100644
--- a/test/CSharpIsNullAnalyzer.Tests/CSharpIsNullAnalyzer.Tests.csproj
+++ b/test/CSharpIsNullAnalyzer.Tests/CSharpIsNullAnalyzer.Tests.csproj
@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.XUnit" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
     <PackageReference Include="xunit.runner.visualstudio" />
diff --git a/test/CSharpIsNullAnalyzer.Tests/Helpers/CSharpCodeFixVerifier`2+Test.cs b/test/CSharpIsNullAnalyzer.Tests/Helpers/CSharpCodeFixVerifier`2+Test.cs
index 27b90ac..cfc24fc 100644
--- a/test/CSharpIsNullAnalyzer.Tests/Helpers/CSharpCodeFixVerifier`2+Test.cs
+++ b/test/CSharpIsNullAnalyzer.Tests/Helpers/CSharpCodeFixVerifier`2+Test.cs
@@ -4,12 +4,12 @@
 using System.Reflection;
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.CSharp.Testing;
-using Microsoft.CodeAnalysis.Testing.Verifiers;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Text;
 
 public static partial class CSharpCodeFixVerifier<TAnalyzer, TCodeFix>
 {
-    public class Test : CSharpCodeFixTest<TAnalyzer, TCodeFix, XUnitVerifier>
+    public class Test : CSharpCodeFixTest<TAnalyzer, TCodeFix, DefaultVerifier>
     {
         public Test()
         {
diff --git a/test/CSharpIsNullAnalyzer.Tests/Helpers/CSharpCodeFixVerifier`2.cs b/test/CSharpIsNullAnalyzer.Tests/Helpers/CSharpCodeFixVerifier`2.cs
index d2a801c..d099138 100644
--- a/test/CSharpIsNullAnalyzer.Tests/Helpers/CSharpCodeFixVerifier`2.cs
+++ b/test/CSharpIsNullAnalyzer.Tests/Helpers/CSharpCodeFixVerifier`2.cs
@@ -6,17 +6,16 @@
 using Microsoft.CodeAnalysis.CSharp.Testing;
 using Microsoft.CodeAnalysis.Diagnostics;
 using Microsoft.CodeAnalysis.Testing;
-using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 public static partial class CSharpCodeFixVerifier<TAnalyzer, TCodeFix>
     where TAnalyzer : DiagnosticAnalyzer, new()
     where TCodeFix : CodeFixProvider, new()
 {
     public static DiagnosticResult Diagnostic()
-        => CSharpCodeFixVerifier<TAnalyzer, TCodeFix, XUnitVerifier>.Diagnostic();
+        => CSharpCodeFixVerifier<TAnalyzer, TCodeFix, DefaultVerifier>.Diagnostic();
 
     public static DiagnosticResult Diagnostic(string diagnosticId)
-        => CSharpCodeFixVerifier<TAnalyzer, TCodeFix, XUnitVerifier>.Diagnostic(diagnosticId);
+        => CSharpCodeFixVerifier<TAnalyzer, TCodeFix, DefaultVerifier>.Diagnostic(diagnosticId);
 
     public static DiagnosticResult Diagnostic(DiagnosticDescriptor descriptor)
         => new DiagnosticResult(descriptor);