diff --git a/rmf_battery/CHANGELOG.rst b/rmf_battery/CHANGELOG.rst
index 9c6f7cc..c98acb1 100644
--- a/rmf_battery/CHANGELOG.rst
+++ b/rmf_battery/CHANGELOG.rst
@@ -2,6 +2,9 @@
 Changelog for package rmf_battery
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+0.4.0 (2024-06-12)
+------------------
+
 0.3.0 (2023-06-08)
 ------------------
 
diff --git a/rmf_battery/package.xml b/rmf_battery/package.xml
index e28b499..0ec0309 100644
--- a/rmf_battery/package.xml
+++ b/rmf_battery/package.xml
@@ -2,7 +2,7 @@
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>rmf_battery</name>
-  <version>0.3.0</version>
+  <version>0.4.0</version>
   <description>Package for modelling battery life of robots</description>
   <maintainer email="yadunund@openrobotics.org">Yadunund</maintainer>
   <maintainer email="marco@openrobotics.org">Marco A. Gutiérrez</maintainer>