diff --git a/IP2Country.Caching/IP2Country.Caching.csproj b/IP2Country.Caching/IP2Country.Caching.csproj
index 07b9dd8..8a447fa 100644
--- a/IP2Country.Caching/IP2Country.Caching.csproj
+++ b/IP2Country.Caching/IP2Country.Caching.csproj
@@ -15,8 +15,16 @@
     <PackageIcon>icon.png</PackageIcon>
     <RepositoryUrl>https://github.com/RobThree/IP2Country</RepositoryUrl>
     <Version>1.0.0</Version>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+
+
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.6">
       <PrivateAssets>all</PrivateAssets>
diff --git a/IP2Country.DataSources.CSVFile/IP2Country.DataSources.CSVFile.csproj b/IP2Country.DataSources.CSVFile/IP2Country.DataSources.CSVFile.csproj
index e3d5e33..10de2f9 100644
--- a/IP2Country.DataSources.CSVFile/IP2Country.DataSources.CSVFile.csproj
+++ b/IP2Country.DataSources.CSVFile/IP2Country.DataSources.CSVFile.csproj
@@ -16,8 +16,16 @@
     <PackageIcon>csvdatasource.png</PackageIcon>
     <Version>1.0.8</Version>
     <RepositoryUrl>https://github.com/RobThree/IP2Country</RepositoryUrl>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+
+
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.6">
       <PrivateAssets>all</PrivateAssets>
diff --git a/IP2Country.DbIp/IP2Country.DbIp.csproj b/IP2Country.DbIp/IP2Country.DbIp.csproj
index b52c5b2..dc6155a 100644
--- a/IP2Country.DbIp/IP2Country.DbIp.csproj
+++ b/IP2Country.DbIp/IP2Country.DbIp.csproj
@@ -16,8 +16,16 @@
     <PackageIcon>dbip.png</PackageIcon>
     <Version>1.0.6</Version>
     <RepositoryUrl>https://github.com/RobThree/IP2Country</RepositoryUrl>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+
+
   <ItemGroup>
     <ProjectReference Include="..\IP2Country.DataSources.CSVFile\IP2Country.DataSources.CSVFile.csproj" />
     <ProjectReference Include="..\IP2Country\IP2Country.csproj" />
diff --git a/IP2Country.IP2IQ/IP2Country.IP2IQ.csproj b/IP2Country.IP2IQ/IP2Country.IP2IQ.csproj
index d116125..4b9a016 100644
--- a/IP2Country.IP2IQ/IP2Country.IP2IQ.csproj
+++ b/IP2Country.IP2IQ/IP2Country.IP2IQ.csproj
@@ -16,8 +16,16 @@
     <PackageIcon>ip2iq.png</PackageIcon>
     <Version>1.0.6</Version>
     <RepositoryUrl>https://github.com/RobThree/IP2Country</RepositoryUrl>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+
+
   <ItemGroup>
     <ProjectReference Include="..\IP2Country.DataSources.CSVFile\IP2Country.DataSources.CSVFile.csproj" />
     <ProjectReference Include="..\IP2Country\IP2Country.csproj" />
diff --git a/IP2Country.IP2Location.Lite/IP2Country.IP2Location.Lite.csproj b/IP2Country.IP2Location.Lite/IP2Country.IP2Location.Lite.csproj
index 4fca27b..d7e399a 100644
--- a/IP2Country.IP2Location.Lite/IP2Country.IP2Location.Lite.csproj
+++ b/IP2Country.IP2Location.Lite/IP2Country.IP2Location.Lite.csproj
@@ -16,8 +16,16 @@
     <PackageIcon>ip2location.png</PackageIcon>
     <Version>1.0.4</Version>
     <RepositoryUrl>https://github.com/RobThree/IP2Country</RepositoryUrl>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+
+
   <ItemGroup>
     <ProjectReference Include="..\IP2Country.DataSources.CSVFile\IP2Country.DataSources.CSVFile.csproj" />
     <ProjectReference Include="..\IP2Country\IP2Country.csproj" />
diff --git a/IP2Country.IpToAsn/IP2Country.IpToAsn.csproj b/IP2Country.IpToAsn/IP2Country.IpToAsn.csproj
index 7bc5652..ec8f0af 100644
--- a/IP2Country.IpToAsn/IP2Country.IpToAsn.csproj
+++ b/IP2Country.IpToAsn/IP2Country.IpToAsn.csproj
@@ -16,8 +16,16 @@
     <PackageIcon>iptoasn.png</PackageIcon>
     <Version>1.0.6</Version>
     <RepositoryUrl>https://github.com/RobThree/IP2Country</RepositoryUrl>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+
+
   <ItemGroup>
     <ProjectReference Include="..\IP2Country.DataSources.CSVFile\IP2Country.DataSources.CSVFile.csproj" />
     <ProjectReference Include="..\IP2Country\IP2Country.csproj" />
diff --git a/IP2Country.Ludost/IP2Country.Ludost.csproj b/IP2Country.Ludost/IP2Country.Ludost.csproj
index 950dbcf..cc204ac 100644
--- a/IP2Country.Ludost/IP2Country.Ludost.csproj
+++ b/IP2Country.Ludost/IP2Country.Ludost.csproj
@@ -16,8 +16,16 @@
     <PackageIcon>ludost.png</PackageIcon>
     <Version>1.0.6</Version>
     <RepositoryUrl>https://github.com/RobThree/IP2Country</RepositoryUrl>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+
+
   <ItemGroup>
     <ProjectReference Include="..\IP2Country.DataSources.CSVFile\IP2Country.DataSources.CSVFile.csproj" />
     <ProjectReference Include="..\IP2Country\IP2Country.csproj" />
diff --git a/IP2Country.MarkusGo/IP2Country.MarkusGo.csproj b/IP2Country.MarkusGo/IP2Country.MarkusGo.csproj
index ca92066..c524b4a 100644
--- a/IP2Country.MarkusGo/IP2Country.MarkusGo.csproj
+++ b/IP2Country.MarkusGo/IP2Country.MarkusGo.csproj
@@ -16,8 +16,16 @@
     <PackageIcon>markusgo.png</PackageIcon>
     <Version>1.0.6</Version>
     <RepositoryUrl>https://github.com/RobThree/IP2Country</RepositoryUrl>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+
+
   <ItemGroup>
     <ProjectReference Include="..\IP2Country.DataSources.CSVFile\IP2Country.DataSources.CSVFile.csproj" />
     <ProjectReference Include="..\IP2Country\IP2Country.csproj" />
diff --git a/IP2Country.MaxMind/IP2Country.MaxMind.csproj b/IP2Country.MaxMind/IP2Country.MaxMind.csproj
index 99fee0f..72149ae 100644
--- a/IP2Country.MaxMind/IP2Country.MaxMind.csproj
+++ b/IP2Country.MaxMind/IP2Country.MaxMind.csproj
@@ -16,8 +16,16 @@
     <PackageIcon>maxmind.png</PackageIcon>
     <Version>1.2.0</Version>
     <RepositoryUrl>https://github.com/RobThree/IP2Country</RepositoryUrl>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+
+
   <ItemGroup>
     <PackageReference Include="IPAddressRange" Version="4.0.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.6">