diff --git a/src/Proto.Cluster/Properties/AssemblyInfo.cs b/src/Proto.Cluster/Properties/AssemblyInfo.cs
index 6cb627b9b3..9f87474760 100644
--- a/src/Proto.Cluster/Properties/AssemblyInfo.cs
+++ b/src/Proto.Cluster/Properties/AssemblyInfo.cs
@@ -6,4 +6,5 @@
 
 using System.Runtime.CompilerServices;
 
-[assembly: InternalsVisibleTo("Proto.Cluster.Tests")]
\ No newline at end of file
+[assembly: InternalsVisibleTo("Proto.Cluster.Tests")]
+[assembly: InternalsVisibleTo("Proto.Premium")]
\ No newline at end of file