diff --git a/ClosedTypeHierarchyDiagnosticSuppressor.Tests/ClosedTypeHierarchyDiagnosticSuppressor.Tests.csproj b/ClosedTypeHierarchyDiagnosticSuppressor.Tests/ClosedTypeHierarchyDiagnosticSuppressor.Tests.csproj
index ac2ffcf..0677103 100644
--- a/ClosedTypeHierarchyDiagnosticSuppressor.Tests/ClosedTypeHierarchyDiagnosticSuppressor.Tests.csproj
+++ b/ClosedTypeHierarchyDiagnosticSuppressor.Tests/ClosedTypeHierarchyDiagnosticSuppressor.Tests.csproj
@@ -8,10 +8,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
     <PackageReference Include="NUnit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
-    <PackageReference Include="coverlet.collector" Version="3.1.2">
+    <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
+    <PackageReference Include="coverlet.collector" Version="3.2.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/ClosedTypeHierarchyDiagnosticSuppressor.sln b/ClosedTypeHierarchyDiagnosticSuppressor.sln
index 083717e..c2b3a55 100644
--- a/ClosedTypeHierarchyDiagnosticSuppressor.sln
+++ b/ClosedTypeHierarchyDiagnosticSuppressor.sln
@@ -8,9 +8,10 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{60F51DB5-2BCC-4800-93D2-6B8604FD2DDF}"
 	ProjectSection(SolutionItems) = preProject
 		.editorconfig = .editorconfig
+		global.json = global.json
 	EndProjectSection
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ClosedTypeHierarchyDiagnosticSuppressor.Tests", "ClosedTypeHierarchyDiagnosticSuppressor.Tests\ClosedTypeHierarchyDiagnosticSuppressor.Tests.csproj", "{86A9C76C-96A2-4085-BCDF-C92E2CE4019B}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ClosedTypeHierarchyDiagnosticSuppressor.Tests", "ClosedTypeHierarchyDiagnosticSuppressor.Tests\ClosedTypeHierarchyDiagnosticSuppressor.Tests.csproj", "{86A9C76C-96A2-4085-BCDF-C92E2CE4019B}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/ClosedTypeHierarchyDiagnosticSuppressor/ClosedTypeHierarchyDiagnosticSuppressor.csproj b/ClosedTypeHierarchyDiagnosticSuppressor/ClosedTypeHierarchyDiagnosticSuppressor.csproj
index 819f8c8..d73e933 100644
--- a/ClosedTypeHierarchyDiagnosticSuppressor/ClosedTypeHierarchyDiagnosticSuppressor.csproj
+++ b/ClosedTypeHierarchyDiagnosticSuppressor/ClosedTypeHierarchyDiagnosticSuppressor.csproj
@@ -2,15 +2,15 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-	<IsRoslynComponent>true</IsRoslynComponent>
-	<LangVersion>10</LangVersion>
-	<Nullable>enable</Nullable>
-  
-	<RootNamespace>SvSoft.Analyzers.ClosedTypeHierarchyDiagnosticSuppression</RootNamespace>
-	<__CurrentYear>$([System.DateTime]::Now.Year)</__CurrentYear>
-	<Copyright>Copyright (C) Sven Hübner 2022 - $(__CurrentYear)</Copyright>
-	<Authors>Sven Hübner</Authors>
-	<PackageId>SvSoft.Analyzers.ClosedTypeHierarchyDiagnosticSuppression</PackageId>
+    <IsRoslynComponent>true</IsRoslynComponent>
+    <LangVersion>10</LangVersion>
+    <Nullable>enable</Nullable>
+
+    <RootNamespace>SvSoft.Analyzers.ClosedTypeHierarchyDiagnosticSuppression</RootNamespace>
+    <__CurrentYear>$([System.DateTime]::Now.Year)</__CurrentYear>
+    <Copyright>Copyright (C) Sven Hübner 2022 - $(__CurrentYear)</Copyright>
+    <Authors>Sven Hübner</Authors>
+    <PackageId>SvSoft.Analyzers.ClosedTypeHierarchyDiagnosticSuppression</PackageId>
     <PackageTags>discriminated unions, match, switch</PackageTags>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <PackageProjectUrl>https://github.com/shuebner/ClosedTypeHierarchyDiagnosticSuppressor</PackageProjectUrl>
@@ -19,21 +19,21 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
   </ItemGroup>
 
   <ItemGroup>
-	<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.11.0" />
-	<PackageReference Include="Nullable" Version="1.3.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.11.0"  PrivateAssets="all" />
+    <PackageReference Include="Nullable" Version="1.3.1" PrivateAssets="all" />
   </ItemGroup>
 
   <PropertyGroup>
-	<IncludeBuildOutput>false</IncludeBuildOutput>
-	<NoPackageAnalysis>true</NoPackageAnalysis>
+    <IncludeBuildOutput>false</IncludeBuildOutput>
+    <NoPackageAnalysis>true</NoPackageAnalysis>
   </PropertyGroup>
 
   <ItemGroup>
-	<None Include="$(OutputPath)\$(AssemblyName).dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
+    <None Include="$(OutputPath)\$(AssemblyName).dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
   </ItemGroup>
-	
+
 </Project>
diff --git a/ClosedTypeHierarchyDiagnosticSuppressor/TypeHierarchyHelper.cs b/ClosedTypeHierarchyDiagnosticSuppressor/TypeHierarchyHelper.cs
index e9c524a..eeed6cb 100644
--- a/ClosedTypeHierarchyDiagnosticSuppressor/TypeHierarchyHelper.cs
+++ b/ClosedTypeHierarchyDiagnosticSuppressor/TypeHierarchyHelper.cs
@@ -65,7 +65,9 @@ static bool HasOnlyPrivateConstructorsAndProtectedCopyCtors(INamedTypeSymbol roo
             (IsRecord(rootCandidate) &&
             rootCandidate.Constructors.All(c => c.DeclaredAccessibility == Accessibility.Private || MatchesImplicitlyCreatedRecordCopyCtor(rootCandidate, c)));
 
+#pragma warning disable CS0162 // Unreachable code detected, FP, see https://github.com/dotnet/roslyn/issues/41429
         const string CompilerCreatedCloneMethodNameOnRecordTypes = "<Clone>$";
+#pragma warning restore CS0162 // Unreachable code detected
 
         static bool IsRecord(INamedTypeSymbol recordCandidate) =>
             recordCandidate.MemberNames.Contains(CompilerCreatedCloneMethodNameOnRecordTypes);
diff --git a/global.json b/global.json
index 37c124f..9068438 100644
--- a/global.json
+++ b/global.json
@@ -1,5 +1,5 @@
 {
     "sdk": {
-      "version": "6.0.300"
+      "version": "6.0.405"
     }
 }
\ No newline at end of file