diff --git a/.github/workflows/dashboards-notebooks-test-and-build-workflow.yml b/.github/workflows/dashboards-notebooks-test-and-build-workflow.yml
index 2b5f5c3..dc76389 100644
--- a/.github/workflows/dashboards-notebooks-test-and-build-workflow.yml
+++ b/.github/workflows/dashboards-notebooks-test-and-build-workflow.yml
@@ -6,7 +6,7 @@ on: [pull_request, push]
 env:
   PLUGIN_NAME: notebooks-dashboards
   OPENSEARCH_DASHBOARDS_VERSION: '1.x'
-  OPENSEARCH_PLUGIN_VERSION: 1.1.0.0
+  OPENSEARCH_PLUGIN_VERSION: 1.2.0.0
 
 jobs:
 
diff --git a/.github/workflows/opensearch-notebooks-test-and-build-workflow.yml b/.github/workflows/opensearch-notebooks-test-and-build-workflow.yml
index 493d7ca..4d3a6d8 100644
--- a/.github/workflows/opensearch-notebooks-test-and-build-workflow.yml
+++ b/.github/workflows/opensearch-notebooks-test-and-build-workflow.yml
@@ -3,8 +3,8 @@ name: Test and Build OpenSearch Notebooks Backend Plugin
 on: [push, pull_request]
 
 env:
-  OPENSEARCH_VERSION: '1.1.0-SNAPSHOT'
-  OPENSEARCH_BRANCH: '1.1'
+  OPENSEARCH_VERSION: '1.2.0-SNAPSHOT'
+  OPENSEARCH_BRANCH: '1.x'
   COMMON_UTILS_BRANCH: 'main'
 
 jobs:
diff --git a/dashboards-notebooks/opensearch_dashboards.json b/dashboards-notebooks/opensearch_dashboards.json
index 54bde8a..638d759 100644
--- a/dashboards-notebooks/opensearch_dashboards.json
+++ b/dashboards-notebooks/opensearch_dashboards.json
@@ -1,7 +1,7 @@
 {
   "id": "notebooksDashboards",
-  "version": "1.1.0.0",
-  "opensearchDashboardsVersion": "1.1.0",
+  "version": "1.2.0.0",
+  "opensearchDashboardsVersion": "1.2.0",
   "server": true,
   "ui": true,
   "requiredPlugins": ["navigation", "embeddable", "dashboard"],
diff --git a/dashboards-notebooks/package.json b/dashboards-notebooks/package.json
index f71ad54..6a5abeb 100644
--- a/dashboards-notebooks/package.json
+++ b/dashboards-notebooks/package.json
@@ -1,11 +1,11 @@
 {
   "name": "notebooks-dashboards",
-  "version": "1.1.0.0",
+  "version": "1.2.0.0",
   "description": "OpenSearch Dashboards Notebooks",
   "main": "index.ts",
   "license": "Apache-2.0",
   "opensearchDashboards": {
-    "version": "1.1.0",
+    "version": "1.2.0",
     "templateVersion": "1.0.0"
   },
   "scripts": {
diff --git a/opensearch-notebooks/build.gradle b/opensearch-notebooks/build.gradle
index 88ecbe2..8863504 100644
--- a/opensearch-notebooks/build.gradle
+++ b/opensearch-notebooks/build.gradle
@@ -29,7 +29,7 @@ import java.util.concurrent.Callable
 
 buildscript {
     ext {
-        opensearch_version = System.getProperty("opensearch.version", "1.1.0-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "1.2.0-SNAPSHOT")
         // 1.0.0 -> 1.0.0.0, and 1.0.0-SNAPSHOT -> 1.0.0.0-SNAPSHOT
         opensearch_build = opensearch_version.replaceAll(/(\.\d)([^\d]*)$/, '$1.0$2')
         common_utils_version = System.getProperty("common_utils.version", opensearch_build)