diff --git a/NDTensors/Project.toml b/NDTensors/Project.toml
index 1e24dc0300..d6b36ee9e4 100644
--- a/NDTensors/Project.toml
+++ b/NDTensors/Project.toml
@@ -67,7 +67,7 @@ Dictionaries = "0.4"
 EllipsisNotation = "1.8"
 FillArrays = "1"
 Folds = "0.2.8"
-Functors = "0.2, 0.3, 0.4"
+Functors = "0.2, 0.3, 0.4, 0.5"
 GPUArraysCore = "0.1, 0.2"
 HDF5 = "0.14, 0.15, 0.16, 0.17"
 HalfIntegers = "1"