diff --git a/rollup.config.js b/rollup.config.js
index c0fd93d4..93b1575d 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,4 +1,10 @@
 import { plugins } from '../../rollup.base.config';
+import { checkIsReleaseReady } from '../scripts/checkIsReleaseReady';
+import { getBundleBanner } from '../scripts/getBundleBanner';
+
+import pkg from './package.json';
+
+checkIsReleaseReady();
 
 if (!process.env.BUILD) {
   throw new Error('The `BUILD` environment variable is required to build.');
@@ -10,11 +16,13 @@ const output = {
     format: 'umd',
     sourcemap: true,
     name: 'docsearch',
+    banner: getBundleBanner(pkg),
   },
   esm: {
     file: 'dist/esm/index.js',
     format: 'es',
     sourcemap: true,
+    banner: getBundleBanner(pkg),
   },
 };