diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7173c945..d3f9f1c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.2.0a31 (2026-05-04)
+
+### Feat
+
+- multi layers
+
 ## 0.2.0a30 (2026-01-21)
 
 ### Fix
diff --git a/pyproject.toml b/pyproject.toml
index abd04c0c..35766997 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["flit_core >=3.8.0,<4"]
 
 [project]
 name = "rougail.output_display"
-version = "0.2.0a30"
+version = "0.2.0a31"
 authors = [{name = "Emmanuel Garette", email = "gnunux@gnunux.info"}]
 readme = "README.md"
 description = "Rougail output display"