diff --git a/Project.toml b/Project.toml
index db60d2e85..cf489b1ed 100644
--- a/Project.toml
+++ b/Project.toml
@@ -33,7 +33,7 @@ OptimKit = "0.3.1"
 Preferences = "1"
 Printf = "1"
 RecipesBase = "1.1"
-TensorKit = "0.12"
+TensorKit = "0.12, 0.13"
 TensorKitManifolds = "0.5, 0.6, 0.7"
 TensorOperations = "4"
 Transducers = "0.4"