diff --git a/pyproject.toml b/pyproject.toml
index c49b718a..845c7fbf 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "osekit"
-version = "0.4.1"
+version = "0.4.2b1"
 description = "OSEkit"
 readme = "README.md"
 authors = [
diff --git a/uv.lock b/uv.lock
index b60be03f..b8673c19 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1697,7 +1697,7 @@ wheels = [
 
 [[package]]
 name = "osekit"
-version = "0.4.1"
+version = "0.4.2b1"
 source = { editable = "." }
 dependencies = [
     { name = "matplotlib" },