diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ae4c78..71a8991 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,19 @@
+## 5.0.0rc0 (2024-11-01)
+
+### Feat
+
+- return propertyerror in function
+- mandatory for a variable and replace suffix to identifier
+- reorganise code
+
+### Fix
+
+- translation + black
+- regexp tests
+- update documentation
+- better permissive support
+- 4.1.0
+
 ## 4.0.2 (2024-02-20)
 
 ### Fix
diff --git a/pyproject.toml b/pyproject.toml
index 40e1d87..11801fb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["flit_core >=3.8.0,<4"]
 
 [project]
 name = "tiramisu"
-version = "4.1.0"
+version = "5.0.0rc0"
 authors = [{name = "Emmanuel Garette", email = "gnunux@gnunux.info"}]
 readme = "README.md"
 description = "an options controller tool"