diff --git a/Project.toml b/Project.toml
index 84457fc..b5bb2b7 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ZXCalculus"
 uuid = "3525faa3-032d-4235-a8d4-8c2939a218dd"
 authors = ["Chen Zhao and contributors"]
-version = "0.5.0"
+version = "0.6.0"
 
 [deps]
 Expronicon = "6b7a57c9-7cc1-4fdf-b7f5-e857abae3636"