diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc72d61..294af1e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 5.1.0rc0 (2024-11-06)
+
+### Feat
+
+- add min_len, max_len, forbidden_char for password option
+
 ## 5.0.0 (2024-11-01)
 
 ### Fix
diff --git a/pyproject.toml b/pyproject.toml
index 2a9ad93..54d4040 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["flit_core >=3.8.0,<4"]
 
 [project]
 name = "tiramisu"
-version = "5.0.0"
+version = "5.1.0rc0"
 authors = [{name = "Emmanuel Garette", email = "gnunux@gnunux.info"}]
 readme = "README.md"
 description = "an options controller tool"