diff --git a/Project.toml b/Project.toml
index cf70dcea..7e854328 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "HierarchicalEOM"
 uuid = "a62dbcb7-80f5-4d31-9a88-8b19fd92b128"
 authors = ["Yi-Te Huang <y.t.d.huang@phys.ncku.edu.tw>"]
-version = "0.4.2"
+version = "1.0.0"
 
 [deps]
 Crayons = "a8cc5b0e-0ffa-5ad4-8c14-923d3ee1735f"