diff --git a/NDTensors/Project.toml b/NDTensors/Project.toml
index 404744d742..2a74aad099 100644
--- a/NDTensors/Project.toml
+++ b/NDTensors/Project.toml
@@ -39,7 +39,7 @@ NDTensorsTBLISExt = "TBLIS"
 Adapt = "3.7"
 BlockArrays = "0.16"
 Compat = "4.9"
-Dictionaries = "0.3.5"
+Dictionaries = "0.3.5, 0.4"
 FLoops = "0.2.1"
 Folds = "0.2.8"
 Functors = "0.2, 0.3, 0.4"