diff --git a/charts/gotenberg/CHANGELOG.md b/charts/gotenberg/CHANGELOG.md
index 5e3a77e..ca4aa2a 100644
--- a/charts/gotenberg/CHANGELOG.md
+++ b/charts/gotenberg/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## 1.6.0
 
+- Bump `gotenberg` version `8.8.1` -> `8.9.0`.
 - Add support for `extraEnv` annotations to provide extra environment variables to `gotenberg` container.
 
 ## 1.5.1
diff --git a/charts/gotenberg/Chart.yaml b/charts/gotenberg/Chart.yaml
index aa50ce8..3aa92f9 100644
--- a/charts/gotenberg/Chart.yaml
+++ b/charts/gotenberg/Chart.yaml
@@ -22,7 +22,7 @@ version: "1.6.0"
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "8.8.1"
+appVersion: "8.9.0"
 
 keywords:
   - gotenberg
diff --git a/charts/gotenberg/README.md b/charts/gotenberg/README.md
index 5701290..85c0c40 100644
--- a/charts/gotenberg/README.md
+++ b/charts/gotenberg/README.md
@@ -1,7 +1,7 @@
 # Gotenberg
 
 [![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/gotenberg)](https://artifacthub.io/packages/helm/maikumori/gotenberg)
-![Version: 1.6.0](https://img.shields.io/badge/Version-1.6.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 8.8.1](https://img.shields.io/badge/AppVersion-8.8.1-informational?style=flat-square)
+![Version: 1.6.0](https://img.shields.io/badge/Version-1.6.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 8.9.0](https://img.shields.io/badge/AppVersion-8.9.0-informational?style=flat-square)
 
 This is a HELM chart for Gotenberg.