diff --git a/charts/netobserv-os/CHANGELOG.md b/charts/netobserv-os/CHANGELOG.md
index b8af316..ae15e22 100644
--- a/charts/netobserv-os/CHANGELOG.md
+++ b/charts/netobserv-os/CHANGELOG.md
@@ -1,3 +1,13 @@
+## [netobserv-os-0.4.0] - 2025-12-12
+
+### Features
+
+- Update stack 0.6.0 (#118)
+
+[netobserv-os-0.3.1..netobserv-os-0.4.0](https://github.com/elastiflow/helm-chart-netobserv/compare/netobserv-os-0.3.1...netobserv-os-0.4.0)
+
+
+
 ## [netobserv-os-0.3.1] - 2025-11-07
 
 ### Bug Fixes
diff --git a/charts/netobserv-os/Chart.yaml b/charts/netobserv-os/Chart.yaml
index 9a45f58..f805e74 100644
--- a/charts/netobserv-os/Chart.yaml
+++ b/charts/netobserv-os/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 name: netobserv-os
 description: ElastiFlow NetObserv with OpenSearch stack
 type: application
-version: 0.3.1
-appVersion: 0.3.1
+version: 0.4.0
+appVersion: 0.4.0
 icon: https://artifacthub.io/image/a7c44004-9982-4ba1-a4c9-c626340d3d38@2x
 sources:
   - https://github.com/elastiflow/helm-chart-netobserv