diff --git a/Octokit/Properties/AssemblyInfo.cs b/Octokit/Properties/AssemblyInfo.cs
index 95d2ea00..0be03796 100644
--- a/Octokit/Properties/AssemblyInfo.cs
+++ b/Octokit/Properties/AssemblyInfo.cs
@@ -4,4 +4,5 @@ using System.Runtime.CompilerServices;
 [assembly: AssemblyTitle("Octokit")]
 [assembly: AssemblyDescription("An async-based GitHub API client library for .NET")]
 [assembly: InternalsVisibleTo("Octokit.Tests")]
-[assembly: InternalsVisibleTo("Octokit.Tests-NetCore45")]
\ No newline at end of file
+[assembly: InternalsVisibleTo("Octokit.Tests-NetCore45")]
+[assembly: InternalsVisibleTo("Octokit.Tests-Portable")]
\ No newline at end of file