diff --git a/Project.toml b/Project.toml
index 6e271b1..7768441 100644
--- a/Project.toml
+++ b/Project.toml
@@ -13,7 +13,7 @@ TensorOperations = "6aa20fa7-93e2-5fca-9bc0-fbd0db3c71a2"
 TupleTools = "9d95972d-f1c8-5527-a6e0-b4b365fa01f6"
 
 [compat]
-MPSKit = "0.12"
+MPSKit = "0.12, 0.13"
 MacroTools = "0.5"
 PrecompileTools = "1"
 QuadGK = "2.11.1"