diff --git a/packages/redux-devtools-ui/.storybook/main.js b/packages/redux-devtools-ui/.storybook/main.ts
similarity index 86%
rename from packages/redux-devtools-ui/.storybook/main.js
rename to packages/redux-devtools-ui/.storybook/main.ts
index f8d83750..88609200 100644
--- a/packages/redux-devtools-ui/.storybook/main.js
+++ b/packages/redux-devtools-ui/.storybook/main.ts
@@ -1,14 +1,15 @@
+import type { StorybookConfig } from '@storybook/react-webpack5';
+
 import { join, dirname } from 'path';
 
 /**
  * This function is used to resolve the absolute path of a package.
  * It is needed in projects that use Yarn PnP or are set up within a monorepo.
  */
-function getAbsolutePath(value) {
+function getAbsolutePath(value: string): any {
   return dirname(require.resolve(join(value, 'package.json')));
 }
-
-const config = {
+const config: StorybookConfig = {
   stories: ['../src/**/*.mdx', '../src/**/*.stories.@(js|jsx|mjs|ts|tsx)'],
   addons: [
     getAbsolutePath('@storybook/addon-webpack5-compiler-swc'),
@@ -32,5 +33,4 @@ const config = {
   },
   staticDirs: ['../fonts'],
 };
-
 export default config;