diff --git a/Project.toml b/Project.toml
index 57622ff..37eeac9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -11,7 +11,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 
 [compat]
 ITensorTDVP = "^0.2, 0.4"
-ITensors = "^0.3.62"
+ITensors = "^0.3.62, 0.6"
 StaticArrays = "1"
 julia = "1"