diff --git a/demo/webpack.config.js b/demo/webpack.config.js
index 70d3275..fad284f 100644
--- a/demo/webpack.config.js
+++ b/demo/webpack.config.js
@@ -14,7 +14,6 @@ module.exports = {
 						loader: 'ts-loader',
 						options: {
 							compilerOptions: {
-								checkJs: false, // workaround for TypeStrong/ts-loader#702
 								noEmit: false,
 							},
 							configFile: resolve(__dirname, './tsconfig.json'),
diff --git a/package.json b/package.json
index dd3a5e1..93120f4 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   },
   "scripts": {
     "build": "npm run clean && babel src -d lib --extensions '.js,.ts' --ignore '**/*.spec.js','**/*.spec.ts' && npm run build-types",
-    "build-demo": "webpack --config demo/webpack.config.js",
+    "build-demo": "wp --config demo/webpack.config.js",
     "build-types": "tsc -p ./tsconfig.types.json",
     "clean": "rimraf lib/*",
     "format": "prettier --write 'src/**'",
@@ -68,8 +68,8 @@
     "ts-jest": "^26.4.4",
     "ts-loader": "^6.1.0",
     "typescript": "^3.6.3",
-    "webpack": "^4.17.2",
-    "webpack-command": "^0.4.1"
+    "webpack": "^5.0.0",
+    "webpack-nano": "^1.1.1"
   },
   "dependencies": {
     "escape-string-regexp": "^1.0.0"