diff --git a/pyproject.toml b/pyproject.toml
index fa438f3..ef97681 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ packages = ["appabuild"]
 
 [project]
 name = "appabuild"
-version = "0.3.7"
+version = "0.4.0"
 authors = [{ name = "Maxime Peralta", email = "maxime.peralta@cea.fr"}]
 maintainers= [{name = "Maxime Peralta", email = "maxime.peralta@cea.fr"}]
 description = "Appa Build is a package to build impact models"