diff --git a/build/dependencies.props b/build/dependencies.props
index bdb193d7cd..98c54f1d22 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -132,6 +132,7 @@
     <ExternalDependency Include="Microsoft.VisualStudio.Text.UI" Version="15.0.26606" Source="$(DefaultNuGetFeed)" Private="true" />
     <ExternalDependency Include="Microsoft.Web.Xdt" Version="1.4.0" Source="$(DefaultNuGetFeed)"/>
     <ExternalDependency Include="Microsoft.Win32.Registry" Version="4.4.0" Source="$(DefaultNuGetFeed)"/>
+    <ExternalDependency Include="Mono.Addins" Version="1.3.7" Source="$(DefaultNuGetFeed)" Private="true" />
     <ExternalDependency Include="Moq" Version="4.7.49" Source="$(DefaultNuGetFeed)" Private="true" />
     <ExternalDependency Include="MsgPack.Cli" Version="0.9.0-beta2" Source="$(DefaultNuGetFeed)"/>
     <ExternalDependency Include="NETStandard.Library" Version="2.0.0" Source="$(DefaultNuGetFeed)"/>