diff --git a/deployment/terraform/opensearch.tf b/deployment/terraform/opensearch.tf
index b72eaa36d..8312ee847 100644
--- a/deployment/terraform/opensearch.tf
+++ b/deployment/terraform/opensearch.tf
@@ -15,7 +15,7 @@ resource "aws_cloudwatch_log_group" "opensearch" {
 
 resource "aws_opensearch_domain" "opensearch" {
   domain_name    = local.opensearch_domain_name
-  engine_version = "OpenSearch_2.17"
+  engine_version = "OpenSearch_2.15"
 
   cluster_config {
     instance_type          = var.opensearch_instance_type
diff --git a/doc/release/RELEASE-NOTES.md b/doc/release/RELEASE-NOTES.md
index 5af35d2af..c6da11067 100644
--- a/doc/release/RELEASE-NOTES.md
+++ b/doc/release/RELEASE-NOTES.md
@@ -10,8 +10,28 @@ This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html
 * Product name: Open Supply Hub
 * Release date: November 16, 2024
 
+### Database changes
+#### Migrations:
+* *Describe migrations here.*
+
+#### Scheme changes
+* *Describe scheme changes here.*
+
+### Code/API changes
+* *Describe code/API changes here.*
+
 ### Architecture/Environment changes
-* Open Search versoion has been increased to 2.17
+* The OpenSearch version has been increased to 2.15.
+
+### Bugfix
+* *Describe bugfix here.*
+
+### What's new
+* *Describe what's new here. The changes that can impact user experience should be listed in this section.*
+
+### Release instructions:
+* Run the `[Release] Deploy` pipeline for the Staging or Production environment with the flag 'Clear OpenSearch indexes' set to true. This will allow Logstash to refill OpenSearch since the OpenSearch instance will be recreated due to the version increase.
+
 
 ## Release 1.23.0
 
@@ -36,7 +56,7 @@ This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html
 ### Release instructions:
 * Ensure that the following commands are included in the `post_deployment` command:
     * `migrate`
-* Run `Deploy to AWS` pipeline for an existing environment with the flag clear OpenSearch set to true - to let the tokenizer parse full text into words with new configurations.
+* Run `[Release] Deploy` pipeline for an existing environment with the flag 'Clear OpenSearch indexes' set to true - to let the tokenizer parse full text into words with new configurations.
 
 
 ## Release 1.22.0
diff --git a/docker-compose.yml b/docker-compose.yml
index 4af0c8b1c..54f268746 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -184,7 +184,7 @@ services:
       - proxynet
 
   opensearch-single-node:
-    image: opensearchproject/opensearch:2.17.0
+    image: opensearchproject/opensearch:2.15.0
     environment:
       - cluster.name=opensearch-cluster # Name the cluster.
       - node.name=opensearch-single-node # Name the node that will run in this container.