diff --git a/Project.toml b/Project.toml
index 2a87a8b9..2006b92f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -26,7 +26,7 @@ ExponentialAction = "0.2"
 JLD2 = "0.5"
 LinearAlgebra = "1.10, 1.11, 1.12"
 NamedTrajectories = "0.5"
-PiccoloQuantumObjects = "0.6"
+PiccoloQuantumObjects = "0.6, 0.7"
 Random = "1.10, 1.11, 1.12"
 Reexport = "1.2"
 SparseArrays = "1.10, 1.11, 1.12"