diff --git a/Project.toml b/Project.toml
index b753c53..bb734c0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -24,7 +24,7 @@ HDF5 = "0.17"
 ITensorMPS = "0.2"
 ITensors = "0.6"
 NDTensors = "0.3"
-Quantics = "0.3"
+Quantics = "0.3, 0.4"
 QuanticsGrids = "0.7"
 QuanticsTCI = "0.7"
 TensorCrossInterpolation = "0.9"