diff --git a/CHANGELOG.md b/CHANGELOG.md
index c95219b2..0d612a92 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change Log
 
+## 2.9.0
+
+**Release date:** 2024-05-15
+
+* Bitbucket: use OpenSearch sub-chart instead of Elasticsearch Helm module [#391](https://github.com/atlassian-labs/data-center-terraform/pull/391)
 
 ## 2.8.0
 
diff --git a/docs/docs/userguide/INSTALLATION.md b/docs/docs/userguide/INSTALLATION.md
index fb913ce3..70bf5018 100644
--- a/docs/docs/userguide/INSTALLATION.md
+++ b/docs/docs/userguide/INSTALLATION.md
@@ -11,7 +11,7 @@ Set up a user with an administrator IAM role. See [Configuration basics — AWS
 Clone the `data-center-terraform` project repository from GitHub:
 
 ```shell
-git clone -b 2.8.0 https://github.com/atlassian-labs/data-center-terraform.git && cd data-center-terraform
+git clone -b 2.9.0 https://github.com/atlassian-labs/data-center-terraform.git && cd data-center-terraform
 ```
 
 ## 3. Configure the infrastructure