diff --git a/src/SharpCompress/AssemblyInfo.cs b/src/SharpCompress/AssemblyInfo.cs
index 0270020d..f8bd8bad 100644
--- a/src/SharpCompress/AssemblyInfo.cs
+++ b/src/SharpCompress/AssemblyInfo.cs
@@ -1,3 +1,5 @@
 using System;
+using System.Runtime.CompilerServices;
 
 [assembly: CLSCompliant(true)]
+[assembly: InternalsVisibleTo("SharpCompress.Test,PublicKey=0024000004800000940000000602000000240000525341310004000001000100158bebf1433f76dffc356733c138babea7a47536c65ed8009b16372c6f4edbb20554db74a62687f56b97c20a6ce8c4b123280279e33c894e7b3aa93ab3c573656fde4db576cfe07dba09619ead26375b25d2c4a8e43f7be257d712b0dd2eb546f67adb09281338618a58ac834fc038dd7e2740a7ab3591826252e4f4516306dc")]