diff --git a/Project.toml b/Project.toml
index 01efc2f..3aee263 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,6 +8,7 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 UnPack = "3a884ed6-31ef-47d7-9d2a-63182c4928ed"
 
 [compat]
+UnPack = "1"
 julia = "1"
 
 [extras]