diff --git a/test/Project.toml b/test/Project.toml
index b86ac50..fa4d474 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -19,7 +19,7 @@ Aqua = "0.8.9"
 GeometryBasics = "0.4.1, 0.5"
 Graphs = "1.4.1"
 ITensorGLMakie = "0.2"
-ITensorMPS = "0.3"
+ITensorMPS = "0.3, 0.4"
 ITensorPkgSkeleton = "0.3.42"
 ITensors = "0.7, 0.8, 0.9"
 LayeredLayouts = "0.2"