diff --git a/next.config.js b/next.config.js
deleted file mode 100644
index 5f7b4b6..0000000
--- a/next.config.js
+++ /dev/null
@@ -1,25 +0,0 @@
-// @ts-check
-const { PHASE_DEVELOPMENT_SERVER } = require('next/constants');
-
-module.exports = async (phase) => {
-  if (phase === PHASE_DEVELOPMENT_SERVER) {
-    /**
-     * @type {import('next').NextConfig}
-     */
-    const nextConfig = {
-      reactStrictMode: true,
-      output: 'export',
-    };
-    return nextConfig;
-  }
-
-  /**
-   * @type {import('next').NextConfig}
-   */
-  const nextConfig = {
-    reactStrictMode: true,
-    output: 'export',
-    basePath: '/auto-manufacturers', // GitHub pages
-  };
-  return nextConfig;
-};
diff --git a/next.config.ts b/next.config.ts
index 5e891cf..cf7bcde 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -1,7 +1,26 @@
+import { PHASE_DEVELOPMENT_SERVER } from 'next/constants';
+
 import type { NextConfig } from 'next';
 
-const nextConfig: NextConfig = {
-  /* config options here */
-};
+export default async (phase: string) => {
+  if (phase === PHASE_DEVELOPMENT_SERVER) {
+    /**
+     * @type {import('next').NextConfig}
+     */
+    const nextConfig: NextConfig = {
+      reactStrictMode: true,
+      output: 'export',
+    };
+    return nextConfig;
+  }
 
-export default nextConfig;
+  /**
+   * @type {import('next').NextConfig}
+   */
+  const nextConfig: NextConfig = {
+    reactStrictMode: true,
+    output: 'export',
+    basePath: '/auto-manufacturers', // GitHub pages
+  };
+  return nextConfig;
+};