diff --git a/Project.toml b/Project.toml
index 51e51efdf..9694650f9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -52,7 +52,7 @@ Printf = "1"
 Random = "1"
 RecipesBase = "1.1"
 TensorKit = "0.16.3"
-TensorKitManifolds = "0.7"
+TensorKitManifolds = "0.7, 0.8"
 TensorKitTensors = "0.2"
 TensorOperations = "5.5.1"
 Test = "1"