diff --git a/Project.toml b/Project.toml
index ed608c0..17d3152 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,7 +8,7 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 TensorKit = "07d1fe3e-3e46-537d-9eac-e9e13d0d4cec"
 
 [compat]
-TensorKit = "0.11, 0.12"
+TensorKit = "0.11, 0.12.6"
 julia = "1.6"
 
 [extras]