diff --git a/src/SixLabors.Core/Properties/AssemblyInfo.cs b/src/SixLabors.Core/Properties/AssemblyInfo.cs
index 559a161d5..368bab248 100644
--- a/src/SixLabors.Core/Properties/AssemblyInfo.cs
+++ b/src/SixLabors.Core/Properties/AssemblyInfo.cs
@@ -39,4 +39,5 @@ using System.Runtime.CompilerServices;
 [assembly: InternalsVisibleTo("SixLabors.Exif")]
 [assembly: InternalsVisibleTo("SixLabors.Fonts")]
 [assembly: InternalsVisibleTo("SixLabors.ImageSharp")]
+[assembly: InternalsVisibleTo("SixLabors.ImageSharp.Drawing")]
 [assembly: InternalsVisibleTo("SixLabors.Shapes")]