diff --git a/src/Preconditions.StrongName/Preconditions.StrongName.csproj b/src/Preconditions.StrongName/Preconditions.StrongName.csproj
index 1d9cb9b..79b4093 100644
--- a/src/Preconditions.StrongName/Preconditions.StrongName.csproj
+++ b/src/Preconditions.StrongName/Preconditions.StrongName.csproj
@@ -17,8 +17,16 @@
     <DelaySign>False</DelaySign>
     <RootNamespace>Preconditions</RootNamespace>
     <AssemblyName>Preconditions</AssemblyName>
+    <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'">
     <DocumentationFile>bin\Release\netstandard1.3\Preconditions.xml</DocumentationFile>
     <DocumentationFile>bin\Release\net452\Preconditions.xml</DocumentationFile>
diff --git a/src/Preconditions/Preconditions.csproj b/src/Preconditions/Preconditions.csproj
index 77f0a29..712b218 100644
--- a/src/Preconditions/Preconditions.csproj
+++ b/src/Preconditions/Preconditions.csproj
@@ -12,8 +12,16 @@
     <Copyright>Copyright © P.Lécaillon 2016</Copyright>
     <PackageLicenseUrl>https://github.com/lecaillon/Preconditions/blob/master/LICENSE</PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/lecaillon/Preconditions</PackageProjectUrl>
+    <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'">
     <DocumentationFile>bin\Release\netstandard1.3\Preconditions.xml</DocumentationFile>
     <DocumentationFile>bin\Release\net452\Preconditions.xml</DocumentationFile>