diff --git a/charts/terraform-cloud/CHANGELOG.md b/charts/terraform-cloud/CHANGELOG.md
index 8989bc11..24c45919 100644
--- a/charts/terraform-cloud/CHANGELOG.md
+++ b/charts/terraform-cloud/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v1.14.0] - 2024-09-04
+### Changed
+- Bump `opensearch` module to `1.6.0`
+
 ## [v1.13.0] - 2024-08-02
 ### Changed
 - Bump `redis` module to `1.3.0`
diff --git a/charts/terraform-cloud/Chart.yaml b/charts/terraform-cloud/Chart.yaml
index 1374cea9..222a17ce 100644
--- a/charts/terraform-cloud/Chart.yaml
+++ b/charts/terraform-cloud/Chart.yaml
@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 1.13.0
+version: 1.14.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/charts/terraform-cloud/README.md b/charts/terraform-cloud/README.md
index 1869b27c..d38a5265 100644
--- a/charts/terraform-cloud/README.md
+++ b/charts/terraform-cloud/README.md
@@ -1,6 +1,6 @@
 # terraform-cloud
 
-![Version: 1.13.0](https://img.shields.io/badge/Version-1.13.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.0.0](https://img.shields.io/badge/AppVersion-2.0.0-informational?style=flat-square)
+![Version: 1.14.0](https://img.shields.io/badge/Version-1.14.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.0.0](https://img.shields.io/badge/AppVersion-2.0.0-informational?style=flat-square)
 
 A Helm chart for provisioning resources using Terraform Cloud
 
@@ -118,11 +118,11 @@ A Helm chart for provisioning resources using Terraform Cloud
 | memcached.terraform.module.version | string | `"1.0.3"` | Module version |
 | opensearch.enabled | bool | `false` | Set to true to create an Opensearch cluster |
 | opensearch.outputSecret | bool | `true` | Set to true to create an AWS secret manager external secret with outputs |
-| opensearch.terraform | object | `{"defaultVars":null,"instances":{},"module":{"source":"app.terraform.io/Mintel/opensearch/aws","version":"1.4.1"}}` | Set ArgoCD syncWave for this resource (default -40) syncWave: -40 |
+| opensearch.terraform | object | `{"defaultVars":null,"instances":{},"module":{"source":"app.terraform.io/Mintel/opensearch/aws","version":"1.6.0"}}` | Set ArgoCD syncWave for this resource (default -40) syncWave: -40 |
 | opensearch.terraform.defaultVars | string | `nil` | Vars to be applied to all instances defined below |
 | opensearch.terraform.instances | object | `{}` | A map of instance names => variable key/value pairs to be sent to the terraform module. The values in `defaultVars` will be applied to every instance if not explicitly defined here. |
 | opensearch.terraform.module.source | string | `"app.terraform.io/Mintel/opensearch/aws"` | Registry path of the Terraform module used to create the resource (https://app.terraform.io/app/Mintel/registry/modules/private/Mintel/opensearch/aws) |
-| opensearch.terraform.module.version | string | `"1.4.1"` | Module version |
+| opensearch.terraform.module.version | string | `"1.6.0"` | Module version |
 | postgresql.enabled | bool | `false` | Set to true to create a PostgreSQL RDS instance |
 | postgresql.outputSecret | bool | `true` | Set to true to create an AWS secret manager external secret with outputs |
 | postgresql.terraform.defaultVars | object | See below | Vars to be applied to all instances defined below |
diff --git a/charts/terraform-cloud/values.yaml b/charts/terraform-cloud/values.yaml
index 7a6172a7..54723b85 100644
--- a/charts/terraform-cloud/values.yaml
+++ b/charts/terraform-cloud/values.yaml
@@ -588,7 +588,7 @@ opensearch:
       # (https://app.terraform.io/app/Mintel/registry/modules/private/Mintel/opensearch/aws)
       source: app.terraform.io/Mintel/opensearch/aws
       # -- Module version
-      version: "1.4.1"
+      version: "1.6.0"
     # -- Vars to be applied to all instances defined below
     defaultVars:
       ### Override the generated workspace name, for example if the generated name is above the char limit