diff --git a/build/dependencies.props b/build/dependencies.props
index 558304106c..8039d70cd9 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -1,5 +1,6 @@
 <Project>
   <PropertyGroup>
+    <AngleSharpPackageVersion>0.9.9</AngleSharpPackageVersion>
     <DevDependency_MicrosoftDotNetBuildTasksFeedPackageVersion>2.1.0-prerelease-02430-04</DevDependency_MicrosoftDotNetBuildTasksFeedPackageVersion>
     <DevDependency_MicrosoftExtensionsDependencyModelPackageVersion>2.0.0</DevDependency_MicrosoftExtensionsDependencyModelPackageVersion>
     <DevDependency_WindowsAzureStoragePackageVersion>8.7.0</DevDependency_WindowsAzureStoragePackageVersion>
diff --git a/build/external-dependencies.props b/build/external-dependencies.props
index 3620b29324..1acb77d710 100644
--- a/build/external-dependencies.props
+++ b/build/external-dependencies.props
@@ -217,6 +217,7 @@
     <DefaultNuGetFeed>https://api.nuget.org/v3/index.json</DefaultNuGetFeed>
   </PropertyGroup>
   <ItemGroup>
+    <ExternalDependency Include="AngleSharp" Version="$(AngleSharpPackageVersion)" Source="$(DefaultNuGetFeed)" Private="true" />
     <ExternalDependency Include="BuildBundlerMinifier" Version="$(BuildBundlerMinifierPackageVersion)" Source="$(DefaultNuGetFeed)" Private="true" />
     <ExternalDependency Include="BenchmarkDotNet" Version="$(BenchmarkDotNetPackageVersion)" Source="$(DefaultNuGetFeed)" Private="true" />
     <ExternalDependency Include="FSharp.Core" Version="$(FSharpCorePackageVersion)" Source="$(DefaultNuGetFeed)" Private="true" />