diff --git a/Project.toml b/Project.toml
index 9921465..64c3985 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "T4AQuanticsTCI"
 uuid = "ef09ec98-57a2-49a0-bf0b-86b55a3d9051"
 authors = ["Ritter.Marc <Ritter.Marc@physik.uni-muenchen.de>, Hiroshi Shinaoka <h.shinaoka@gmail.com> and contributors"]
-version = "0.8.0"
+version = "0.9.0"
 
 [deps]
 BitIntegers = "c3b6d118-76ef-56ca-8cc7-ebb389d030a1"