diff --git a/Project.toml b/Project.toml
index 5af9239..a663158 100644
--- a/Project.toml
+++ b/Project.toml
@@ -22,6 +22,7 @@ TCIT4AITensorCompatConversion = ["ITensors", "T4AITensorCompat"]
 [compat]
 BitIntegers = "0.3.5"
 EllipsisNotation = "1"
+ITensorMPS = "0.3"
 Optim = "1"
 QuadGK = "2.9"
 Random = "1.9.0"