diff --git a/appveyor.yml b/appveyor.yml
index 2a9bab8..919efe7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,9 +1,9 @@
 version: 1.0.0.{build}
-image: Visual Studio 2017
+image: Visual Studio 2019
 configuration: Release
 platform: Any CPU
 build_script:
-- ps: msbuild /t:restore,pack /p:Configuration=Release /p:IncludeSymbols=true /p:SymbolPackageFormat=snupkg /verbosity:minimal
+- ps: msbuild /t:restore,pack /p:Configuration=Release /p:IncludeSymbols=true /p:SymbolPackageFormat=snupkg /p:ContinuousIntegrationBuild=true /p:EmbedUntrackedSources=true /verbosity:minimal
 test_script:
 - ps: dotnet test tests\NLog.Targets.AppCenter.Tests\NLog.Targets.AppCenter.Tests.csproj
 artifacts:
diff --git a/src/NLog.Targets.AppCenter/NLog.Targets.AppCenter.csproj b/src/NLog.Targets.AppCenter/NLog.Targets.AppCenter.csproj
index 79b5c95..e16993b 100644
--- a/src/NLog.Targets.AppCenter/NLog.Targets.AppCenter.csproj
+++ b/src/NLog.Targets.AppCenter/NLog.Targets.AppCenter.csproj
@@ -31,6 +31,7 @@
     <PackageReference Include="Microsoft.AppCenter.Analytics" Version="3.4.3" />
     <PackageReference Include="Microsoft.AppCenter.Crashes" Version="3.4.3" />
     <PackageReference Include="NLog" Version="4.5.11" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
   </ItemGroup>
 
 </Project>