diff --git a/examples/templates/example.html b/examples/templates/example.html
index 510d0489e2..d1c315ee79 100644
--- a/examples/templates/example.html
+++ b/examples/templates/example.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css" type="text/css">
     <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" type="text/css">
     <link rel="stylesheet" href="./resources/prism/prism.css" type="text/css">
-    <link rel="stylesheet" href="../css/ol.css" type="text/css">
+    <link rel="stylesheet" href="./css/ol.css" type="text/css">
     <link rel="stylesheet" href="./resources/layout.css" type="text/css">
     {{{ extraHead.local }}}
     {{{ css.tag }}}
diff --git a/examples/webpack/config.js b/examples/webpack/config.js
index 4b364697ae..56ec4351e0 100644
--- a/examples/webpack/config.js
+++ b/examples/webpack/config.js
@@ -34,7 +34,7 @@ module.exports = {
       common: 'common'
     }),
     new CopyPlugin([
-      {from: '../css', to: 'css'},
+      {from: '../src/ol/ol.css', to: 'css'},
       {from: 'data', to: 'data'},
       {from: 'resources', to: 'resources'},
       {from: 'Jugl.js', to: 'Jugl.js'},
diff --git a/package.json b/package.json
index 37de270949..230a938d37 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openlayers",
-  "version": "5.0.0-beta.12",
+  "version": "5.0.0-beta.14",
   "description": "Build tools and sources for developing OpenLayers based mapping applications",
   "keywords": [
     "map",
@@ -13,11 +13,13 @@
     "pretest": "npm run lint",
     "test": "npm run karma -- --single-run",
     "karma": "karma start test/karma.config.js",
-    "serve-examples": "mkdir -p build/examples && webpack --config examples/webpack/config.js --mode development --watch & serve build/examples",
+    "serve-examples": "webpack-dev-server --config examples/webpack/config.js --mode development --watch",
     "build-examples": "webpack --config examples/webpack/config.js --mode production",
     "build-index": "node tasks/generate-index",
-    "prebuild": "npm run build-index",
-    "build": "rollup --config config/rollup.js",
+    "set-version": "node tasks/set-version",
+    "prebuild": "npm run set-version && npm run build-index",
+    "prepare": "npm run set-version",
+    "build": "rollup --config config/rollup.js && cleancss --source-map src/ol/ol.css -o build/ol.css",
     "presrc-closure": "npm run prebuild",
     "src-closure": "node tasks/transform-types",
     "pretypecheck": "npm run src-closure",
@@ -80,13 +82,13 @@
     "rollup-plugin-node-resolve": "3.3.0",
     "rollup-plugin-sourcemaps": "0.4.2",
     "rollup-plugin-uglify": "4.0.0",
-    "serve": "^9.0.0",
     "sinon": "^6.0.0",
     "uglifyjs-webpack-plugin": "^1.2.5",
     "url-polyfill": "^1.0.13",
     "walk": "^2.3.9",
     "webpack": "4.12.0",
-    "webpack-cli": "^3.0.3"
+    "webpack-cli": "^3.0.3",
+    "webpack-dev-server": "^3.1.4"
   },
   "eslintConfig": {
     "extends": "openlayers"
diff --git a/src/ol/AssertionError.js b/src/ol/AssertionError.js
index ba70e8a492..1510800b98 100644
--- a/src/ol/AssertionError.js
+++ b/src/ol/AssertionError.js
@@ -13,7 +13,7 @@ import {VERSION, inherits} from './index.js';
  */
 const AssertionError = function(code) {
 
-  const path = VERSION ? VERSION.split('-')[0] : 'latest';
+  const path = VERSION.split('-')[0];
 
   /**
    * @type {string}
diff --git a/src/ol/index.js b/src/ol/index.js
index 0e289d3923..330e73fdf5 100644
--- a/src/ol/index.js
+++ b/src/ol/index.js
@@ -68,7 +68,7 @@ export {HAS_WEBGL, WEBGL_MAX_TEXTURE_SIZE, WEBGL_EXTENSIONS};
  * OpenLayers version.
  * @type {string}
  */
-export const VERSION = 'v4.6.4';
+export const VERSION = '5.0.0-beta.14';
 
 
 /**
diff --git a/css/ol.css b/src/ol/ol.css
similarity index 100%
rename from css/ol.css
rename to src/ol/ol.css
diff --git a/src/ol/package.json b/src/ol/package.json
new file mode 100644
index 0000000000..2ccdaa47b2
--- /dev/null
+++ b/src/ol/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "ol",
+  "version": "5.0.0-beta.14",
+  "description": "OpenLayers mapping library",
+  "main": "index.js",
+  "module": "index.js",
+  "license": "BSD-2-Clause",
+  "dependencies": {
+    "pbf": "3.1.0",
+    "pixelworks": "1.1.0",
+    "rbush": "2.0.2"
+  }
+}
\ No newline at end of file
diff --git a/tasks/set-version.js b/tasks/set-version.js
new file mode 100644
index 0000000000..004f8bb9ec
--- /dev/null
+++ b/tasks/set-version.js
@@ -0,0 +1,23 @@
+const fs = require('fs');
+const pkg = require('../package.json');
+
+const index = require.resolve('../src/ol/index');
+const lines = fs.readFileSync(index, 'utf-8').split('\n');
+
+const versionRegEx = /const VERSION = '(.*)';$/;
+
+for (let i = 0, ii = lines.length; i < ii; ++i) {
+  const line = lines[i];
+  if (versionRegEx.test(line)) {
+    lines[i] = line.replace(versionRegEx, `const VERSION = '${pkg.version}';`);
+    break;
+  }
+}
+
+const packageJson = require.resolve('../src/ol/package.json');
+const packageJsonObj = JSON.parse(fs.readFileSync(packageJson, 'utf-8'));
+packageJsonObj.version = pkg.version;
+fs.writeFileSync(packageJson, JSON.stringify(packageJsonObj, null, 2), 'utf-8');
+
+
+fs.writeFileSync(index, lines.join('\n'), 'utf-8');