diff --git a/tests/Aetheria.Shared.Tests/GenericDesignsCommandTests.cs b/tests/Aetheria.Shared.Tests/GenericDesignsCommandTests.cs
index 1da97aa14..87d5ed74c 100644
--- a/tests/Aetheria.Shared.Tests/GenericDesignsCommandTests.cs
+++ b/tests/Aetheria.Shared.Tests/GenericDesignsCommandTests.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using GameCult.Caching;
+using GameCult.Caching.MessagePack;
 using Xunit;
 
 // AetherDb's generic-designs command (aetheria-release, cut generic-design-names), run on a scratch copy of the shipped