diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4767f7a..7eaace1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,4 +1,13 @@
-# build.yml v1.4
+# build.yml v1.6
+# 1.6:
+#     - Use --getProperty:Version instead of Nito.ProjProps.
+#     - Updates: acitons/checkout@v4
+# 1.5:
+#     - Use bash syntax
+#     - Avoid set-output
+#     - Updates: actions/cache@v3, actions/checkout@v3, actions/upload-artifact@v3, codecov/codecov-action@v3, WyriHaximus/github-action-get-previous-tag@v1
+#     - Work around SDK bug (https://github.com/dotnet/sdk/issues/17461)
+#     - Use pre-release ProjProps.
 # 1.4 - Avoid set-env.
 # 1.3 - Include tag workflow in this file.
 # 1.2 - Define DOTNET_SKIP_FIRST_TIME_EXPERIENCE/NUGET_XMLDOC_MODE.
@@ -25,21 +34,21 @@ jobs:
       env:
         CONTEXT: ${{ toJson(github) }}
       run: |
-        echo "Context: $Env:CONTEXT"
+        echo "Context is available above"
 
     - name: Determine cache fallbacks
       if: github.event_name != 'push'
       id: cache_fallbacks
       run: |
-        echo "::set-output name=nuget::nuget-"
+        echo "name=nuget::nuget-" >> $GITHUB_OUTPUT
 
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
-        fetch-depth: 0
+        fetch-depth: 0 # Required by WyriHaximus/github-action-get-previous-tag@v1
 
     - name: Cache nuget
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.nuget/packages
         key: nuget-${{ hashFiles('**/*.csproj') }}-${{ hashFiles('**/*.props') }}
@@ -47,13 +56,13 @@ jobs:
       
     - name: Get existing tag
       id: existingtag
-      uses: WyriHaximus/github-action-get-previous-tag@0.2.0
+      uses: WyriHaximus/github-action-get-previous-tag@v1
       continue-on-error: true
 
     - name: Get current version
       run: |
-        dotnet tool install --global Nito.ProjProps
-        echo "NEWTAG=v$(projprops --name version --output-format SingleValueOnly --project src --project-search)" >> $GITHUB_ENV
+        echo "NEWTAG=v$(dotnet build $(find src -name *.csproj | head --lines=1) --getProperty:Version)"
+        echo "NEWTAG=v$(dotnet build $(find src -name *.csproj | head --lines=1) --getProperty:Version)" >> $GITHUB_ENV
 
     - name: Build
       run: |
@@ -62,7 +71,7 @@ jobs:
         dotnet pack --configuration Release --no-build
 
     - name: Upload package artifacts
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: nuget-packages
         path: |
@@ -70,7 +79,7 @@ jobs:
           **/*.snupkg
 
     - name: Publish code coverage
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v3
 
     - name: Publish packages
       if: env.NEWTAG != steps.existingtag.outputs.tag
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 1b7687a..e78c19f 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -1,6 +1,12 @@
 <Project>
   <!--
-      Directory.Build.props (src) v2.1
+      Directory.Build.props (src) v2.3
+      - 2.3:
+        - Remove old Coverlet workaround for .NET SDKs < 3.1.300
+        - Remove source link settings for .NET SDKs < 8
+        - Add trim/single-file/AOT checks.
+        - Add repo-scope README.md to package.
+      - 2.2 Migrate from FxCopAnalyzers to NetAnalyzers.
       - 2.1 Specify LangVersion (required by Nullable for most libraries).
       - 2.0 Move project-specific properties to `project.props`.
       - 1.1 Remove workaround for .NET SDK bug that was necesary for coverlet to work.
@@ -15,22 +21,20 @@
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
+    <ContinuousIntegrationBuild Condition="'$(CI)'=='true'">true</ContinuousIntegrationBuild>
+    <IsAotCompatible Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">true</IsAotCompatible>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(CI)'=='true'">
-    <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
-  </PropertyGroup>
-  <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.3.0">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
 
   <!-- Package settings -->
   <PropertyGroup>
     <PackageProjectUrl>https://github.com/$(GITHUB_REPOSITORY)</PackageProjectUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <PackageReadmeFile>README.md</PackageReadmeFile>
   </PropertyGroup>
+  <ItemGroup>
+    <None Include="..\..\README.md" Pack="true" PackagePath="\"/>
+  </ItemGroup>
 
   <!-- Icon file -->
   <PropertyGroup>
@@ -40,17 +44,6 @@
     <None Include="..\icon.png" Pack="true" PackagePath="\"/>
   </ItemGroup>
 
-  <!-- Source debugging -->
-  <PropertyGroup>
-    <PublishRepositoryUrl>true</PublishRepositoryUrl>
-    <EmbedUntrackedSources>true</EmbedUntrackedSources>
-    <IncludeSymbols>true</IncludeSymbols>
-    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-  </PropertyGroup>
-  <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All"/>
-  </ItemGroup>
-
   <!-- Include reference assemblies -->
   <ItemGroup>
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" PrivateAssets="All"/>
@@ -60,17 +53,4 @@
   <PropertyGroup Condition="'$(CI)'!='true'">
     <VersionSuffix>dev</VersionSuffix>
   </PropertyGroup>
-
-  <!-- Enable coverlet analysis on deterministic builds: https://github.com/coverlet-coverage/coverlet/blob/master/Documentation/DeterministicBuild.md -->
-  <ItemGroup>
-    <SourceRoot Include="$(NuGetPackageRoot)" />
-  </ItemGroup>
-  <Target Name="CoverletGetPathMap"
-          DependsOnTargets="InitializeSourceRootMappedPaths"
-          Returns="@(_LocalTopLevelSourceRoot)"
-          Condition="'$(DeterministicSourcePaths)' == 'true'">
-    <ItemGroup>
-      <_LocalTopLevelSourceRoot Include="@(SourceRoot)" Condition="'%(SourceRoot.NestedRoot)' == ''"/>
-    </ItemGroup>
-  </Target>
 </Project>
\ No newline at end of file
diff --git a/test/Directory.Build.props b/test/Directory.Build.props
index 610d85e..057aa1d 100644
--- a/test/Directory.Build.props
+++ b/test/Directory.Build.props
@@ -1,6 +1,8 @@
 <Project>
   <!--
-      Directory.Build.props (test) v1.0
+      Directory.Build.props (test) v1.2
+      - 1.2 Dependency updates.
+      - 1.1 Dependency updates.
       - 1.0 Initial release.
   -->
 
@@ -9,13 +11,13 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
-    <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="xunit" Version="2.6.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="1.3.0">
+    <PackageReference Include="coverlet.collector" Version="6.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>