diff --git a/.github/workflows/integration-test.yml b/.github/workflows/integration-test.yml
index 2ae15ec3e..7cb96dde4 100644
--- a/.github/workflows/integration-test.yml
+++ b/.github/workflows/integration-test.yml
@@ -31,7 +31,7 @@ jobs:
         with:
           repository: 'opensearch-project/OpenSearch'
           path: OpenSearch
-          ref: '1.x'
+          ref: '1.1'
 
       - name: Build OpenSearch
         working-directory: ./OpenSearch
diff --git a/release-notes/opensearch-security-dashboards-plugin.release-notes-1.1.0.0.md b/release-notes/opensearch-security-dashboards-plugin.release-notes-1.1.0.0.md
index 9d5bcab81..18b4aabc5 100644
--- a/release-notes/opensearch-security-dashboards-plugin.release-notes-1.1.0.0.md
+++ b/release-notes/opensearch-security-dashboards-plugin.release-notes-1.1.0.0.md
@@ -2,3 +2,4 @@
 
 ### Maintenance
 * Bump version to 1.1.0.0 ([#823](https://github.com/opensearch-project/security-dashboards-plugin/pull/823))
+* Build OpenSearch 1.1 branch in CI ([#827](https://github.com/opensearch-project/security-dashboards-plugin/pull/827))