diff --git a/README.md b/README.md
index 134ee667c..4fae21596 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# elasticsearch.js 11.0.1
+# elasticsearch.js 12.0.0-rc2
 
 The official low-level Elasticsearch client for Node.js and the browser.
 
diff --git a/docs/browser_builds.asciidoc b/docs/browser_builds.asciidoc
index adf112738..b42ce8521 100644
--- a/docs/browser_builds.asciidoc
+++ b/docs/browser_builds.asciidoc
@@ -14,7 +14,7 @@ bower install elasticsearch
 ---------
 
 === Download
- * v11.0.1: https://download.elasticsearch.org/elasticsearch/elasticsearch-js/elasticsearch-js-11.0.1.zip[zip], https://download.elasticsearch.org/elasticsearch/elasticsearch-js/elasticsearch-js-11.0.1.tar.gz[tar.gz]
+ * v12.0.0-rc2: https://download.elasticsearch.org/elasticsearch/elasticsearch-js/elasticsearch-js-12.0.0-rc2.zip[zip], https://download.elasticsearch.org/elasticsearch/elasticsearch-js/elasticsearch-js-12.0.0-rc2.tar.gz[tar.gz]
 
 NOTE: Here's an example that integrates elasticsearch.js with React https://github.com/scotchfield/elasticsearch-react-example/[on GitHub]
 
diff --git a/grunt/browser_clients.js b/grunt/browser_clients.js
index 0bfeed088..27ad32a74 100644
--- a/grunt/browser_clients.js
+++ b/grunt/browser_clients.js
@@ -17,11 +17,12 @@ module.exports = function (grunt) {
 
     grunt.task.run([
       'clean:dist',
-      'webpack:browser_client',
-      'webpack:angular_client',
-      'webpack:jquery_client',
+      'webpack:browser_clients',
       'uglify:dist',
-      'concat:dist_banners'
+      'concat:dist_banners',
+      'copy:dist_to_named_dir',
+      'compress:release_zip',
+      'compress:release_tarball',
     ]);
   });
 
diff --git a/grunt/config/webpack.js b/grunt/config/webpack.js
index 013595d97..86406ddd8 100644
--- a/grunt/config/webpack.js
+++ b/grunt/config/webpack.js
@@ -1,5 +1,7 @@
 module.exports = {
-  browser_client: require('../../webpack_config/browser'),
-  angular_client: require('../../webpack_config/angular'),
-  jquery_client: require('../../webpack_config/jquery'),
+  browser_clients: [
+    require('../../webpack_config/browser'),
+    require('../../webpack_config/angular'),
+    require('../../webpack_config/jquery'),
+  ]
 }
diff --git a/package.json b/package.json
index 3220ce49a..10fbd0845 100644
--- a/package.json
+++ b/package.json
@@ -7,13 +7,12 @@
   "description": "The official low-level Elasticsearch client for Node.js and the browser.",
   "main": "src/elasticsearch.js",
   "homepage": "http://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/index.html",
-  "version": "11.0.1",
+  "version": "12.0.0-rc2",
   "browser": {
     "./src/lib/connectors/index.js": "./src/lib/connectors/browser_index.js",
     "./src/lib/loggers/index.js": "./src/lib/loggers/browser_index.js",
     "./src/lib/apis/index.js": "./src/lib/apis/browser_index.js",
-    "./test/mocks/server.js": "./test/mocks/browser_server.js",
-    "lodash": "lodash-compat"
+    "./test/mocks/server.js": "./test/mocks/browser_server.js"
   },
   "config": {
     "blanket": {
@@ -44,47 +43,47 @@
     "@spalger/eslint-config-personal": "^0.4.0",
     "async": "~0.8.0",
     "babel-eslint": "^6.0.4",
-    "blanket": "~1.1.5",
+    "blanket": "^1.2.3",
     "bluebird": "^2.9.14",
     "eslint": "^2.9.0",
     "eslint-config-airbnb": "^8.0.0",
     "eslint-plugin-import": "^1.6.1",
     "eslint-plugin-jsx-a11y": "^1.0.4",
     "eslint-plugin-react": "^5.0.1",
-    "expect.js": "~0.2.0",
+    "expect.js": "^0.3.1",
     "express": "~3.4.7",
     "find-root": "~0.1.1",
     "glob": "~3.2.7",
-    "grunt": "~0.4.1",
-    "grunt-cli": "~0.1.13",
-    "grunt-contrib-clean": "~0.5.0",
-    "grunt-contrib-compress": "~0.5.3",
-    "grunt-contrib-concat": "~0.3.0",
-    "grunt-contrib-copy": "~0.4.1",
+    "grunt": "^1.0.1",
+    "grunt-cli": "^1.2.0",
+    "grunt-contrib-clean": "^1.0.0",
+    "grunt-contrib-compress": "^1.2.0",
+    "grunt-contrib-concat": "^1.0.1",
+    "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-uglify": "^1.0.1",
-    "grunt-contrib-watch": "~0.5.3",
+    "grunt-contrib-watch": "^1.0.0",
     "grunt-esvm": "^3.2.0",
     "grunt-mocha-cov": "^0.4.0",
     "grunt-open": "~0.2.2",
-    "grunt-prompt": "~0.1.2",
-    "grunt-run": "~0.2.2",
+    "grunt-prompt": "^1.3.3",
+    "grunt-run": "^0.6.0",
     "grunt-s3": "~0.2.0-alpha.3",
-    "grunt-saucelabs": "~8.2.0",
+    "grunt-saucelabs": "^8.6.2",
     "grunt-webpack": "^1.0.11",
-    "jquery": "~2.1.1",
+    "jquery": "^2.2.3",
     "js-yaml": "^3.6.0",
-    "load-grunt-config": "~0.7.0",
-    "load-grunt-tasks": "~0.2.0",
+    "load-grunt-config": "^0.19.2",
+    "load-grunt-tasks": "^3.5.0",
     "mocha": "^2.2.5",
     "mocha-lcov-reporter": "0.0.1",
     "mocha-screencast-reporter": "~0.1.4",
-    "moment": "~2.4.0",
+    "moment": "^2.13.0",
     "nock": "~0.28.3",
     "null-loader": "^0.1.1",
-    "open": "0.0.4",
+    "open": "0.0.5",
     "optimist": "~0.6.0",
     "semver": "^4.3.6",
-    "sinon": "~1.12.2",
+    "sinon": "^1.17.4",
     "split": "~0.3.2",
     "through2": "~0.6.3",
     "through2-map": "~1.4.0",
@@ -97,7 +96,6 @@
     "chalk": "^1.0.0",
     "forever-agent": "^0.6.0",
     "lodash": "^4.12.0",
-    "lodash-compat": "^3.0.0",
     "promise": "^7.1.1"
   },
   "repository": {
@@ -113,4 +111,4 @@
   "engines": {
     "node": ">=0.8"
   }
-}
+}
\ No newline at end of file
diff --git a/webpack_config/browser.js b/webpack_config/browser.js
index b96aee110..7757954af 100644
--- a/webpack_config/browser.js
+++ b/webpack_config/browser.js
@@ -7,6 +7,8 @@ module.exports = {
   output: {
     filename: 'elasticsearch.js',
     path: rel('dist'),
+    library: 'elasticsearch',
+    libraryTarget: 'umd'
   },
   module: {
     loaders: [