diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f49c13b9..c8f51fdd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
         with:
           repository: 'opensearch-project/OpenSearch'
           path: OpenSearch
-          ref: '1.0'
+          ref: '1.x'
       - name: Build OpenSearch
         working-directory: ./OpenSearch
         run: ./gradlew publishToMavenLocal -Dbuild.snapshot=false
@@ -39,11 +39,11 @@ jobs:
       # common-utils
       - name: Build and Test
         run: |
-          ./gradlew build -Dopensearch.version=1.0.0
+          ./gradlew build -Dopensearch.version=1.1.0
 
       - name: Publish to Maven Local
         run: |
-          ./gradlew publishToMavenLocal -Dopensearch.version=1.0.0
+          ./gradlew publishToMavenLocal -Dopensearch.version=1.1.0
           
       - name: Upload Coverage Report
         uses: codecov/codecov-action@v1
diff --git a/build.gradle b/build.gradle
index 2d955951..0f2b241a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,7 +12,7 @@
 buildscript {
     ext {
         opensearch_group = "org.opensearch"
-        opensearch_version = System.getProperty("opensearch.version", "1.0.0")
+        opensearch_version = System.getProperty("opensearch.version", "1.1.0")
         kotlin_version = System.getProperty("kotlin.version", "1.4.32")
     }
 
@@ -146,7 +146,7 @@ task javadocJar(type: Jar) {
     from javadoc.destinationDir
 }
 
-version '1.0.0.0'
+version '1.1.0.0'
 
 publishing {
     publications {