diff --git a/Project.toml b/Project.toml
index 99ccfc6..f331b7f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -18,6 +18,7 @@ Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
 ArrayTools = "0.3"
 EasyRanges = "0.1"
 InterpolationKernels = "0.2"
+OffsetArrays = "1"
 TypeUtils = "1"
 Unitful = "1"
 julia = "1.5"