diff --git a/config/babel/babel.config.js b/config/babel/babel.config.cjs
similarity index 100%
rename from config/babel/babel.config.js
rename to config/babel/babel.config.cjs
diff --git a/config/babel/register.js b/config/babel/register.cjs
similarity index 100%
rename from config/babel/register.js
rename to config/babel/register.cjs
diff --git a/config/rollup/rollup.config.js b/config/rollup/rollup.config.js
index 6532e9446..ad1ede505 100644
--- a/config/rollup/rollup.config.js
+++ b/config/rollup/rollup.config.js
@@ -88,7 +88,7 @@ function configure(pkg, env, target) {
       runtimeHelpers: true,
       include: [`packages/${pkg.name}/src/**`],
       extensions: ['.js', '.ts'],
-      configFile: './config/babel/babel.config.js',
+      configFile: './config/babel/babel.config.cjs',
     }),
 
     // Register Node.js globals for browserify compatibility.
diff --git a/package.json b/package.json
index 473fb7250..fbf17ebf3 100644
--- a/package.json
+++ b/package.json
@@ -14,8 +14,8 @@
     "fix:eslint": "yarn lint:eslint --fix",
     "fix:prettier": "yarn lint:prettier --write",
     "lint": "yarn lint:eslint && yarn lint:prettier",
-    "lint:eslint": "eslint './{packages,site}/**/*.{js,jsx,ts,tsx}'",
-    "lint:prettier": "prettier --list-different '**/*.{css,md,js,jsx,json,ts,tsx}'",
+    "lint:eslint": "eslint ./{packages,site}/**/*.{js,jsx,ts,tsx}",
+    "lint:prettier": "prettier --list-different **/*.{css,md,js,jsx,json,ts,tsx}",
     "open": "open http://localhost:3000",
     "release": "NODE_ENV=production yarn build:rollup && yarn test &&  lerna publish",
     "serve": "cd ./site && next",
diff --git a/site/next.config.js b/site/next.config.cjs
similarity index 100%
rename from site/next.config.js
rename to site/next.config.cjs