diff --git a/actions/helm/prepare-chart/README.md b/actions/helm/prepare-chart/README.md
index 286489bb..b5d3f93e 100644
--- a/actions/helm/prepare-chart/README.md
+++ b/actions/helm/prepare-chart/README.md
@@ -1,16 +1,62 @@
 <!-- header:start -->
+
+# ![Icon](data:image/svg+xml;base64,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) GitHub Action: Prepare Helm Chart
+
+<div align="center">
+  <img src="../../../.github/logo.svg" width="60px" align="center" alt="Prepare Helm Chart" />
+</div>
+
+---
+
 <!-- header:end -->
 
 <!-- badges:start -->
+
+[![Marketplace](https://img.shields.io/badge/Marketplace-prepare--helm--chart-blue?logo=github-actions)](https://github.com/marketplace/actions/prepare-helm-chart)
+[![Release](https://img.shields.io/github/v/release/hoverkraft-tech/ci-github-container)](https://github.com/hoverkraft-tech/ci-github-container/releases)
+[![License](https://img.shields.io/github/license/hoverkraft-tech/ci-github-container)](http://choosealicense.com/licenses/mit/)
+[![Stars](https://img.shields.io/github/stars/hoverkraft-tech/ci-github-container?style=social)](https://img.shields.io/github/stars/hoverkraft-tech/ci-github-container?style=social)
+[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/hoverkraft-tech/ci-github-container/blob/main/CONTRIBUTING.md)
+
 <!-- badges:end -->
 
 <!-- overview:start -->
+
+## Overview
+
+Add Helm repositories and build chart dependencies
+for all charts found under a path.
+
 <!-- overview:end -->
 
 <!-- usage:start -->
+
+## Usage
+
+```yaml
+- uses: hoverkraft-tech/ci-github-container/actions/helm/prepare-chart@695db98d9afaa0ebd2ef427808c0c929ac347885 # 0.34.0
+  with:
+    # Path containing the chart(s) to prepare
+    # This input is required.
+    path: ""
+
+    # List of Helm repositories to add before building chart dependencies.
+    # See https://helm.sh/docs/helm/helm_repo_add/.
+    helm-repositories: ""
+```
+
 <!-- usage:end -->
 
 <!-- inputs:start -->
+
+## Inputs
+
+| **Input**               | **Description**                                                      | **Required** | **Default** |
+| ----------------------- | -------------------------------------------------------------------- | ------------ | ----------- |
+| **`path`**              | Path containing the chart(s) to prepare                              | **true**     | -           |
+| **`helm-repositories`** | List of Helm repositories to add before building chart dependencies. | **false**    | -           |
+|                         | See <https://helm.sh/docs/helm/helm_repo_add/>.                      |              |             |
+
 <!-- inputs:end -->
 
 <!-- secrets:start -->
@@ -27,15 +73,36 @@
 -->
 
 <!-- contributing:start -->
+
+## Contributing
+
+Contributions are welcome! Please see the [contributing guidelines](https://github.com/hoverkraft-tech/ci-github-container/blob/main/CONTRIBUTING.md) for more details.
+
 <!-- contributing:end -->
 
 <!-- security:start -->
 <!-- security:end -->
 
 <!-- license:start -->
+
+## License
+
+This project is licensed under the MIT License.
+
+SPDX-License-Identifier: MIT
+
+Copyright © 2026 hoverkraft
+
+For more details, see the [license](http://choosealicense.com/licenses/mit/).
+
 <!-- license:end -->
 
 <!-- generated:start -->
+
+---
+
+This documentation was automatically generated by [CI Dokumentor](https://github.com/hoverkraft-tech/ci-dokumentor).
+
 <!-- generated:end -->
 
 <!--
diff --git a/actions/helm/release-chart/README.md b/actions/helm/release-chart/README.md
index 3dd6007a..2403ab24 100644
--- a/actions/helm/release-chart/README.md
+++ b/actions/helm/release-chart/README.md
@@ -42,7 +42,7 @@ This action requires the following permissions on the repository:
 ## Usage
 
 ````yaml
-- uses: hoverkraft-tech/ci-github-container/actions/helm/release-chart@2b647ed6f11d50cb6beb6d56333e68ba2c804826 # 0.33.1
+- uses: hoverkraft-tech/ci-github-container/actions/helm/release-chart@695db98d9afaa0ebd2ef427808c0c929ac347885 # 0.34.0
   with:
     # OCI registry where to push chart.
     # See https://github.com/appany/helm-oci-chart-releaser#usage.
diff --git a/actions/helm/test-chart/README.md b/actions/helm/test-chart/README.md
index 17aa6393..136935c6 100644
--- a/actions/helm/test-chart/README.md
+++ b/actions/helm/test-chart/README.md
@@ -34,7 +34,7 @@ Mainly using [helm/chart-testing-action](https://github.com/helm/chart-testing-a
 ## Usage
 
 ````yaml
-- uses: hoverkraft-tech/ci-github-container/actions/helm/test-chart@2b647ed6f11d50cb6beb6d56333e68ba2c804826 # 0.33.1
+- uses: hoverkraft-tech/ci-github-container/actions/helm/test-chart@695db98d9afaa0ebd2ef427808c0c929ac347885 # 0.34.0
   with:
     # Working directory
     # Default: `${{ github.workspace }}`