diff --git a/Project.toml b/Project.toml
index de26d93..f532b3c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -16,7 +16,7 @@ MPI = "da04e1cc-30fd-572f-bb4f-1f8673147195"
 Accessors = "0.1.26"
 Compat = "4.8"
 Folds = "0.2.8"
-ITensorMPS = "0.1"
+ITensorMPS = "0.1.4"
 ITensors = "0.3.58, 0.4, 0.5, 0.6"
 MPI = "0.20"
 julia = "1.6"