diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 623d004..85c3d96 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -20,3 +20,7 @@ updates:
       interval: "weekly"
       day: "monday"
     open-pull-requests-limit: 10
+    groups:
+      github-actions-dependencies:
+        patterns:
+          - "*"
diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 2f13f4c..be5ac2e 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -38,7 +38,7 @@ jobs:
           echo "✓ Tool versions captured"
 
       - name: Upload version capture
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: version-capture-quality
           path: versionmark-quality.json
@@ -155,19 +155,19 @@ jobs:
           echo "✓ Tool versions captured"
 
       - name: Upload version capture
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: version-capture-${{ matrix.os }}
           path: versionmark-build-*.json
 
       - name: Upload Test Results
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: test-results-${{ matrix.os }}
           path: test-results/*.trx
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: artifacts-${{ matrix.os }}
           path: |
@@ -229,7 +229,7 @@ jobs:
           upload: false
 
       - name: Upload CodeQL SARIF
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: codeql-sarif
           path: sarif-results/csharp.sarif
@@ -502,7 +502,7 @@ jobs:
       # Downstream projects: Add any additional artifact uploads here.
 
       - name: Upload documentation
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: documents
           path: |
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index bf33269..821a753 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -52,13 +52,13 @@ jobs:
             10.x
 
       - name: Download package artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: artifacts-ubuntu-latest
           path: artifacts
 
       - name: Download documents artifact
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: documents
           path: artifacts
diff --git a/requirements.yaml b/requirements.yaml
index 4abb89e..caa5979 100644
--- a/requirements.yaml
+++ b/requirements.yaml
@@ -258,8 +258,8 @@ sections:
               Supporting this target framework ensures the library can be integrated into a broader
               range of .NET projects, including those targeting .NET Framework and older .NET Core versions.
             tests:
-              - net462@TrxSerializer_Serialize_BasicTestResults_ProducesValidTrxXml
-              - net462@JUnitSerializer_Serialize_PassedTest_ProducesValidJUnitXml
+              - net481@TrxSerializer_Serialize_BasicTestResults_ProducesValidTrxXml
+              - net481@JUnitSerializer_Serialize_PassedTest_ProducesValidJUnitXml
 
           - id: REQ-FUNC-008
             title: The library shall support .NET 10 runtime.
diff --git a/src/DemaConsulting.TestResults/DemaConsulting.TestResults.csproj b/src/DemaConsulting.TestResults/DemaConsulting.TestResults.csproj
index 5e82814..72e84ff 100644
--- a/src/DemaConsulting.TestResults/DemaConsulting.TestResults.csproj
+++ b/src/DemaConsulting.TestResults/DemaConsulting.TestResults.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;net8.0;net9.0;net10.0</TargetFrameworks>
-    <LangVersion>12</LangVersion>
+    <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 
@@ -43,14 +43,24 @@
     <SBOMPackageSupplier>Organization: $(Company)</SBOMPackageSupplier>
   </PropertyGroup>
 
+  <!-- Build Tool Dependencies -->
   <ItemGroup>
     <PackageReference Include="Microsoft.Sbom.Targets" Version="4.1.5" PrivateAssets="All" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.103" PrivateAssets="All" />
+  </ItemGroup>
+
+  <!-- Code Analysis Dependencies -->
+  <ItemGroup>
+    <!-- Analyzer packages use child-element form to configure both PrivateAssets and IncludeAssets:
+         - PrivateAssets="all" prevents these build-time analyzers from becoming transitive dependencies
+           in packages that consume this library.
+         - IncludeAssets lists all asset types (including 'analyzers' and 'buildtransitive') to ensure
+           Roslyn analyzers and MSBuild targets are fully activated during the build. -->
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="10.0.103">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="SonarAnalyzer.CSharp" Version="10.19.0.132793">
+    <PackageReference Include="SonarAnalyzer.CSharp" Version="10.20.0.135146">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/test/DemaConsulting.TestResults.Tests/DemaConsulting.TestResults.Tests.csproj b/test/DemaConsulting.TestResults.Tests/DemaConsulting.TestResults.Tests.csproj
index fa5caa4..15a934c 100644
--- a/test/DemaConsulting.TestResults.Tests/DemaConsulting.TestResults.Tests.csproj
+++ b/test/DemaConsulting.TestResults.Tests/DemaConsulting.TestResults.Tests.csproj
@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('Windows'))">net462;net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('Windows'))">net481;net8.0;net9.0;net10.0</TargetFrameworks>
     <TargetFrameworks Condition="!$([MSBuild]::IsOSPlatform('Windows'))">net8.0;net9.0;net10.0</TargetFrameworks>
-    <LangVersion>12</LangVersion>
+    <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 
@@ -24,19 +24,33 @@
     <EmbeddedResource Include="IO\Examples\example2.trx" />
   </ItemGroup>
 
+  <!-- Test Framework Dependencies -->
   <ItemGroup>
+    <!-- coverlet.collector uses child-element form to configure both PrivateAssets and IncludeAssets:
+         - PrivateAssets="all" keeps this test-coverage tool out of any consuming project's dependencies.
+         - IncludeAssets lists all asset types (including 'build' and 'buildtransitive') to ensure the
+           data collector MSBuild targets are activated so coverage is collected during test runs. -->
     <PackageReference Include="coverlet.collector" Version="8.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="4.1.0" />
     <PackageReference Include="MSTest.TestFramework" Version="4.1.0" />
+  </ItemGroup>
+
+  <!-- Code Analysis Dependencies -->
+  <ItemGroup>
+    <!-- Analyzer packages use child-element form to configure both PrivateAssets and IncludeAssets:
+         - PrivateAssets="all" prevents these build-time analyzers from becoming transitive dependencies
+           in any project that references this test project.
+         - IncludeAssets lists all asset types (including 'analyzers' and 'buildtransitive') to ensure
+           Roslyn analyzers and MSBuild targets are fully activated during the build. -->
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="10.0.103">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="SonarAnalyzer.CSharp" Version="10.19.0.132793">
+    <PackageReference Include="SonarAnalyzer.CSharp" Version="10.20.0.135146">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>