diff --git a/Project.toml b/Project.toml
index f53e6ca..c2aae83 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "OpenQuantumTools"
 uuid = "e429f160-8886-11e9-20cb-0dbe84e78965"
 authors = ["Huo Chen <neversakura@hotmail.com>"]
-version = "0.6.4"
+version = "0.7.0"
 
 [deps]
 DiffEqBase = "2b5f629d-d688-5b77-993f-72d75c75574e"