diff --git a/.gitignore b/.gitignore
index f5e1c72..7cd1918 100644
--- a/.gitignore
+++ b/.gitignore
@@ -61,5 +61,5 @@ typings/
 .next
 
 package-lock.json
-
 t.*
+t/
diff --git a/bin/install.js b/bin/install.js
index e8ab592..4349777 100755
--- a/bin/install.js
+++ b/bin/install.js
@@ -5,7 +5,7 @@ const path = require('path')
 
 const pkgUp = require('pkg-up')
 
-const ESLINTRC_YAML_CONTENT = `
+const ESLINTRC_CJS_CONTENT = `
 const rules = {
 }
 
@@ -23,11 +23,11 @@ async function main () {
   }
   const pkgDir = path.dirname(pkgFile)
 
-  const eslintRcJsFile = path.join(pkgDir, '.eslintrc.js')
+  const eslintRcJsFile = path.join(pkgDir, '.eslintrc.cjs')
 
   if (!fs.existsSync(eslintRcJsFile)) {
     console.info(`@chatie/eslint-config: auto generated ${eslintRcJsFile}`)
-    fs.writeFileSync(eslintRcJsFile, ESLINTRC_YAML_CONTENT)
+    fs.writeFileSync(eslintRcJsFile, ESLINTRC_CJS_CONTENT)
   }
   return 0
 }
diff --git a/package.json b/package.json
index edb7fbf..6f30c8a 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,11 @@
 {
   "name": "@chatie/eslint-config",
-  "version": "0.12.5",
+  "version": "0.13.1",
   "description": "ESLint Sharable Configurations and Rules in Chatie Organization",
   "main": "src/eslintrc.js",
+  "engines": {
+    "node": ">=12"
+  },
   "scripts": {
     "dist": "echo dist",
     "pack": "npm pack",