diff --git a/.github/workflows/generate_api.yml b/.github/workflows/generate_api.yml
index a4e9e816a..6e3f9743d 100644
--- a/.github/workflows/generate_api.yml
+++ b/.github/workflows/generate_api.yml
@@ -71,7 +71,7 @@ jobs:
           commit-message: "Updated opensearch-ruby to reflect the latest OpenSearch API spec (${{ env.date }})"
           title: "[AUTOCUT] Update opensearch-ruby to reflect the latest OpenSearch API spec (${{ env.date }})"
           body: |
-            Update `opensearch-ruby` to reflect the latest [OpenSearch API spec](https://github.com/opensearch-project/opensearch-api-specification/releases/download/main-latest/opensearch-openapi.yaml).
+            Update `opensearch-ruby` to reflect the latest [OpenSearch API spec](https://api-spec.opensearch.org/opensearch-openapi.yaml).
             Date: ${{ env.date }}
           branch: update-api-from-spec
           base: main
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d804f492c..0c487cc6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Added
 ### Changed
 - Update rubygems public key setting expiry to 20260707 ([#308](https://github.com/opensearch-project/opensearch-ruby/pull/308))
+- Updated API spec download URL to `https://api-spec.opensearch.org` ([#340](https://github.com/opensearch-project/opensearch-ruby/pull/340))
 ### Deprecated
 ### Removed
 ### Fixed
diff --git a/api_generator/Rakefile b/api_generator/Rakefile
index 4c8552338..2f9069b85 100644
--- a/api_generator/Rakefile
+++ b/api_generator/Rakefile
@@ -10,7 +10,7 @@ require 'rake'
 require 'active_support/all'
 
 task :download_spec do
-  sh 'curl -L -X GET "https://github.com/opensearch-project/opensearch-api-specification/releases/download/main-latest/opensearch-openapi.yaml" -o opensearch-openapi.yaml'
+  sh 'curl -L -X GET "https://api-spec.opensearch.org/opensearch-openapi.yaml" -o opensearch-openapi.yaml'
 end