diff --git a/NDTensors/Project.toml b/NDTensors/Project.toml
index 2e5232a359..e9b22893c3 100644
--- a/NDTensors/Project.toml
+++ b/NDTensors/Project.toml
@@ -68,6 +68,7 @@ InlineStrings = "1"
 LinearAlgebra = "1.6"
 MacroTools = "0.5"
 MappedArrays = "0.4"
+Metal = "1"
 PackageExtensionCompat = "1"
 Random = "1.6"
 SimpleTraits = "0.9.4"