diff --git a/System.IO.Ports/System.IO.Ports.nfproj b/System.IO.Ports/System.IO.Ports.nfproj
index 996de0f..4bef157 100644
--- a/System.IO.Ports/System.IO.Ports.nfproj
+++ b/System.IO.Ports/System.IO.Ports.nfproj
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="Current" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="..\packages\Nerdbank.GitVersioning.3.10.94\build\Nerdbank.GitVersioning.props" Condition="Exists('..\packages\Nerdbank.GitVersioning.3.10.94\build\Nerdbank.GitVersioning.props')" />
+  <Import Project="..\packages\Microsoft.Build.Tasks.Git.10.0.402\build\Microsoft.Build.Tasks.Git.props" Condition="Exists('..\packages\Microsoft.Build.Tasks.Git.10.0.402\build\Microsoft.Build.Tasks.Git.props')" />
+  <Import Project="..\packages\Microsoft.SourceLink.GitHub.10.0.402\build\Microsoft.SourceLink.GitHub.props" Condition="Exists('..\packages\Microsoft.SourceLink.GitHub.10.0.402\build\Microsoft.SourceLink.GitHub.props')" />
+  <Import Project="..\packages\Microsoft.SourceLink.Common.10.0.402\build\Microsoft.SourceLink.Common.props" Condition="Exists('..\packages\Microsoft.SourceLink.Common.10.0.402\build\Microsoft.SourceLink.Common.props')" />
   <PropertyGroup Label="Globals">
     <NanoFrameworkProjectSystemPath>$(MSBuildExtensionsPath)\nanoFramework\v1.0\</NanoFrameworkProjectSystemPath>
   </PropertyGroup>
@@ -17,6 +20,15 @@
     <TargetFrameworkVersion>v1.0</TargetFrameworkVersion>
     <NF_IsCoreLibrary>True</NF_IsCoreLibrary>
     <DocumentationFile>bin\$(Configuration)\System.IO.Ports.xml</DocumentationFile>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>portable</DebugType>
+    <Deterministic>true</Deterministic>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    <ContinuousIntegrationBuild Condition="'$(TF_BUILD)' == 'true'">True</ContinuousIntegrationBuild>
+    <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
     <RestorePackagesWithLockFile>true</RestorePackagesWithLockFile>
     <RestoreLockedMode Condition="'$(TF_BUILD)' == 'True' or '$(ContinuousIntegrationBuild)' == 'True'">true</RestoreLockedMode>
   </PropertyGroup>
@@ -90,6 +102,15 @@
     <Error Condition="!Exists('..\packages\StyleCop.MSBuild.6.2.0\build\StyleCop.MSBuild.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\StyleCop.MSBuild.6.2.0\build\StyleCop.MSBuild.targets'))" />
     <Error Condition="!Exists('..\packages\Nerdbank.GitVersioning.3.10.94\build\Nerdbank.GitVersioning.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Nerdbank.GitVersioning.3.10.94\build\Nerdbank.GitVersioning.props'))" />
     <Error Condition="!Exists('..\packages\Nerdbank.GitVersioning.3.10.94\build\Nerdbank.GitVersioning.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Nerdbank.GitVersioning.3.10.94\build\Nerdbank.GitVersioning.targets'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.Build.Tasks.Git.10.0.402\build\Microsoft.Build.Tasks.Git.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Build.Tasks.Git.10.0.402\build\Microsoft.Build.Tasks.Git.props'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.Build.Tasks.Git.10.0.402\build\Microsoft.Build.Tasks.Git.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Build.Tasks.Git.10.0.402\build\Microsoft.Build.Tasks.Git.targets'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.SourceLink.Common.10.0.402\build\Microsoft.SourceLink.Common.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.SourceLink.Common.10.0.402\build\Microsoft.SourceLink.Common.props'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.SourceLink.Common.10.0.402\build\Microsoft.SourceLink.Common.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.SourceLink.Common.10.0.402\build\Microsoft.SourceLink.Common.targets'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.SourceLink.GitHub.10.0.402\build\Microsoft.SourceLink.GitHub.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.SourceLink.GitHub.10.0.402\build\Microsoft.SourceLink.GitHub.props'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.SourceLink.GitHub.10.0.402\build\Microsoft.SourceLink.GitHub.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.SourceLink.GitHub.10.0.402\build\Microsoft.SourceLink.GitHub.targets'))" />
   </Target>
   <Import Project="..\packages\Nerdbank.GitVersioning.3.10.94\build\Nerdbank.GitVersioning.targets" Condition="Exists('..\packages\Nerdbank.GitVersioning.3.10.94\build\Nerdbank.GitVersioning.targets')" />
+  <Import Project="..\packages\Microsoft.Build.Tasks.Git.10.0.402\build\Microsoft.Build.Tasks.Git.targets" Condition="Exists('..\packages\Microsoft.Build.Tasks.Git.10.0.402\build\Microsoft.Build.Tasks.Git.targets')" />
+  <Import Project="..\packages\Microsoft.SourceLink.Common.10.0.402\build\Microsoft.SourceLink.Common.targets" Condition="Exists('..\packages\Microsoft.SourceLink.Common.10.0.402\build\Microsoft.SourceLink.Common.targets')" />
+  <Import Project="..\packages\Microsoft.SourceLink.GitHub.10.0.402\build\Microsoft.SourceLink.GitHub.targets" Condition="Exists('..\packages\Microsoft.SourceLink.GitHub.10.0.402\build\Microsoft.SourceLink.GitHub.targets')" />
 </Project>
\ No newline at end of file
diff --git a/System.IO.Ports/packages.config b/System.IO.Ports/packages.config
index 830604d..558b859 100644
--- a/System.IO.Ports/packages.config
+++ b/System.IO.Ports/packages.config
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="Microsoft.Build.Tasks.Git" version="10.0.402" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="Microsoft.SourceLink.Common" version="10.0.402" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="Microsoft.SourceLink.GitHub" version="10.0.402" targetFramework="netnano1.0" developmentDependency="true" />
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.13" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.22" targetFramework="netnano1.0" />
diff --git a/System.IO.Ports/packages.lock.json b/System.IO.Ports/packages.lock.json
index 0b6b5bb..7586001 100644
--- a/System.IO.Ports/packages.lock.json
+++ b/System.IO.Ports/packages.lock.json
@@ -2,6 +2,24 @@
   "version": 1,
   "dependencies": {
     ".NETnanoFramework,Version=v1.0": {
+      "Microsoft.Build.Tasks.Git": {
+        "type": "Direct",
+        "requested": "[10.0.402, 10.0.402]",
+        "resolved": "10.0.402",
+        "contentHash": "k4TuSlseeYpFMIZP3X/MFHNKe+yNDIfVDlvu2ABiWaFWFQFwdsjqmoLTjtrD6YZ5vS2LT1TEZ9JT2kokfLdd0w=="
+      },
+      "Microsoft.SourceLink.Common": {
+        "type": "Direct",
+        "requested": "[10.0.402, 10.0.402]",
+        "resolved": "10.0.402",
+        "contentHash": "/GC+zNRas+lEu2sBUH1YJ7q/bzb5jrnCCpaQNHvMuwn3Uvq9eOZnjMH2Zd1C9e2cpbHmRwP9N/jSZK0ysdw73Q=="
+      },
+      "Microsoft.SourceLink.GitHub": {
+        "type": "Direct",
+        "requested": "[10.0.402, 10.0.402]",
+        "resolved": "10.0.402",
+        "contentHash": "YXtBgnbTAhNng4PcEaolRL59UdRg77eYdAHilt9jljp8EuBOubDuHDkmH8Qa9pR2pBGte/FwJgHXQQVi24GOzg=="
+      },
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
         "requested": "[2.0.0-preview.63, 2.0.0-preview.63]",