diff --git a/index.yaml b/index.yaml
index a41d1ab..261d523 100644
--- a/index.yaml
+++ b/index.yaml
@@ -130,6 +130,49 @@ entries:
     urls:
     - https://github.com/netrisai/charts/releases/download/netris-controller-2.3.0-alpha.0/netris-controller-2.3.0-alpha.0.tgz
     version: 2.3.0-alpha.0
+  - annotations:
+      artifacthub.io/prerelease: "true"
+    apiVersion: v2
+    appVersion: 4.2.0-alpha.1
+    created: "2024-05-01T17:50:17.01632118Z"
+    dependencies:
+    - name: mariadb
+      repository: https://charts.bitnami.com/bitnami
+      version: 12.2.9
+    - name: mongodb
+      repository: https://raw.githubusercontent.com/bitnami/charts/eb5f9a9513d987b519f0ecd732e7031241c50328/bitnami
+      version: 10.9.1
+    - name: redis
+      repository: https://raw.githubusercontent.com/bitnami/charts/eb5f9a9513d987b519f0ecd732e7031241c50328/bitnami
+      version: 12.8.3
+    - name: smtp
+      repository: https://charts.ntppool.org
+      version: 1.0.1
+    - condition: haproxy.enabled
+      name: haproxy
+      repository: https://haproxytech.github.io/helm-charts
+      version: 1.19.1
+    - name: graphite
+      repository: https://kiwigrid.github.io
+      version: 0.7.2
+    description: A Helm chart for netris-controller
+    digest: e020777e34008b08d0b58be33db777c4a8be6dcc6ef1f336f4f4c18a537184f5
+    home: https://netris.ai
+    icon: https://www.netris.ai/wp-content/uploads/2021/01/logo-300.png
+    keywords:
+    - netris
+    - netops
+    - network
+    maintainers:
+    - email: devops@netris.ai
+      name: netrisai
+    name: netris-controller
+    sources:
+    - https://github.com/netrisai/charts
+    type: application
+    urls:
+    - https://github.com/netrisai/charts/releases/download/netris-controller-2.2.0-alpha.1/netris-controller-2.2.0-alpha.1.tgz
+    version: 2.2.0-alpha.1
   - annotations:
       artifacthub.io/prerelease: "true"
     apiVersion: v2