diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 53c3d9b6..8f83153e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.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
         run: ./gradlew publishToMavenLocal