diff --git a/Cargo.lock b/Cargo.lock
index 8f9023e..cb17f75 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -32,7 +32,7 @@ dependencies = [
 
 [[package]]
 name = "frequenz-microgrid-component-graph-python-bindings"
-version = "0.3.4"
+version = "0.4.0"
 dependencies = [
  "frequenz-microgrid-component-graph",
  "pyo3",