diff --git a/packages/redux-devtools-core/package.json b/packages/redux-devtools-core/package.json
index f17cc8bc..6b3a139f 100644
--- a/packages/redux-devtools-core/package.json
+++ b/packages/redux-devtools-core/package.json
@@ -25,8 +25,8 @@
     "build:types": "tsc --emitDeclarationOnly",
     "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
     "build:web": "rimraf ./build/web && webpack -p --env.platform=web --progress",
-    "build:umd": "rimraf ./umd && webpack --progress --config webpack.config.umd.js",
-    "build:umd:min": "webpack --env.production --progress --config webpack.config.umd.js",
+    "build:umd": "rimraf ./umd && webpack --progress --config webpack.config.umd.ts",
+    "build:umd:min": "webpack --env.production --progress --config webpack.config.umd.ts",
     "clean": "rimraf lib",
     "test": "jest",
     "lint": "eslint . --ext .ts,.tsx",
diff --git a/packages/redux-devtools-core/webpack.config.umd.ts b/packages/redux-devtools-core/webpack.config.umd.ts
index 8e31df45..99abaf62 100644
--- a/packages/redux-devtools-core/webpack.config.umd.ts
+++ b/packages/redux-devtools-core/webpack.config.umd.ts
@@ -1,10 +1,11 @@
-const path = require('path');
-const webpack = require('webpack');
+import * as path from 'path';
+import * as webpack from 'webpack';
+import ForkTsCheckerWebpackPlugin from 'fork-ts-checker-webpack-plugin';
 
-module.exports = (env = {}) => ({
+module.exports = (env: { production?: boolean } = {}) => ({
   mode: env.production ? 'production' : 'development',
   entry: {
-    app: ['./src/app/index.js'],
+    app: ['./src/app/index'],
   },
   output: {
     library: 'ReduxDevTools',
@@ -18,7 +19,7 @@ module.exports = (env = {}) => ({
   module: {
     rules: [
       {
-        test: /\.js$/,
+        test: /\.(js|ts)x?$/,
         loader: 'babel-loader',
         exclude: /node_modules/,
       },
@@ -41,6 +42,9 @@ module.exports = (env = {}) => ({
       },
     ],
   },
+  resolve: {
+    extensions: ['.js', '.jsx', '.ts', '.tsx'],
+  },
   plugins: [
     new webpack.DefinePlugin({
       'process.env': {
@@ -48,6 +52,11 @@ module.exports = (env = {}) => ({
         PLATFORM: JSON.stringify('web'),
       },
     }),
+    new ForkTsCheckerWebpackPlugin({
+      typescript: {
+        configFile: 'tsconfig.json',
+      },
+    }),
   ],
   externals: {
     react: {