diff --git a/FinancialFormulas/FinancialFormulas.csproj b/FinancialFormulas/FinancialFormulas.csproj
index 5d596dc..251e990 100644
--- a/FinancialFormulas/FinancialFormulas.csproj
+++ b/FinancialFormulas/FinancialFormulas.csproj
@@ -15,8 +15,16 @@
     <Version>1.3.1</Version>
     <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\$(AssemblyName).xml</DocumentationFile>
     <PackageIconUrl>https://raw.githubusercontent.com/srbrettle/Financial-Formulas-Library-.NET-Standard/master/FinancialFormulas.png</PackageIconUrl>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+
+
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
     <PlatformTarget></PlatformTarget>
   </PropertyGroup>