diff --git a/Prism.SourceGenerators.Integration.Tests/Prism.SourceGenerators.Integration.Tests.csproj b/Prism.SourceGenerators.Integration.Tests/Prism.SourceGenerators.Integration.Tests.csproj
index b50e78b..b688638 100644
--- a/Prism.SourceGenerators.Integration.Tests/Prism.SourceGenerators.Integration.Tests.csproj
+++ b/Prism.SourceGenerators.Integration.Tests/Prism.SourceGenerators.Integration.Tests.csproj
@@ -11,14 +11,14 @@
   <ItemGroup>
     <!-- Align with $(PrismSourceGeneratorsTestsRoslynVersion) / Roslyn4120 under test; resolves MSB3277 vs Prism.Core / Workspaces graph. -->
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="8.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="$(PrismSourceGeneratorsTestsRoslynVersion)" />
     <PackageReference Include="Prism.Core" Version="8.1.97" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="xunit.v3" Version="3.2.2" />
+    <PackageReference Include="xunit.v3" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Prism.SourceGenerators.Tests.Roslyn5000/Prism.SourceGenerators.Tests.Roslyn5000.csproj b/Prism.SourceGenerators.Tests.Roslyn5000/Prism.SourceGenerators.Tests.Roslyn5000.csproj
index 48abef0..5537dc9 100644
--- a/Prism.SourceGenerators.Tests.Roslyn5000/Prism.SourceGenerators.Tests.Roslyn5000.csproj
+++ b/Prism.SourceGenerators.Tests.Roslyn5000/Prism.SourceGenerators.Tests.Roslyn5000.csproj
@@ -12,14 +12,14 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="$(PrismSourceGeneratorsTestsRoslynVersion)" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="$(PrismSourceGeneratorsTestsRoslynVersion)" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="xunit.v3" Version="3.2.2" />
+    <PackageReference Include="xunit.v3" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Prism.SourceGenerators.Tests/Prism.SourceGenerators.Tests.csproj b/Prism.SourceGenerators.Tests/Prism.SourceGenerators.Tests.csproj
index 1f208c9..fe466da 100644
--- a/Prism.SourceGenerators.Tests/Prism.SourceGenerators.Tests.csproj
+++ b/Prism.SourceGenerators.Tests/Prism.SourceGenerators.Tests.csproj
@@ -8,15 +8,15 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="$(PrismSourceGeneratorsTestsRoslynVersion)" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="$(PrismSourceGeneratorsTestsRoslynVersion)" />
-    <PackageReference Include="Verify.XunitV3" Version="31.20.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
+    <PackageReference Include="Verify.XunitV3" Version="32.0.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="xunit.v3" Version="3.2.2" />
+    <PackageReference Include="xunit.v3" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>