diff --git a/.eslintrc.json b/.eslintrc.json
deleted file mode 100644
index 12447de..0000000
--- a/.eslintrc.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-    "extends": [
-        "plugin:n/recommended",
-        "plugin:putout/safe+align"
-    ],
-    "plugins": [
-        "n",
-        "putout"
-    ]
-}
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 0fbf1bc..5391ee0 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -12,7 +12,7 @@ jobs:
         node-version:
           - 18.x
           - 20.x
-          - 21.x
+          - 22.x
     steps:
       - uses: actions/checkout@v4
       - uses: oven-sh/setup-bun@v1
@@ -30,7 +30,7 @@ jobs:
         run: redrun fix:lint
       - name: Install Rust
         run: rustup update
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/bin/
diff --git a/.madrun.js b/.madrun.js
index 3c3e00d..b6a8706 100644
--- a/.madrun.js
+++ b/.madrun.js
@@ -1,7 +1,4 @@
-import {
-    run,
-    cutEnv,
-} from 'madrun';
+import {run, cutEnv} from 'madrun';
 
 const NODE_OPTIONS = `'--no-warnings --import ./lib/register.js'`;
 const testEnv = {
diff --git a/.npmignore b/.npmignore
index a5966ae..6ada9d7 100644
--- a/.npmignore
+++ b/.npmignore
@@ -9,3 +9,4 @@ coverage*
 example
 
 coverage
+*.config.*
diff --git a/.nycrc.json b/.nycrc.json
index df171b2..bd520eb 100644
--- a/.nycrc.json
+++ b/.nycrc.json
@@ -4,7 +4,8 @@
     "exclude": [
         "**/*.spec.js",
         "**/fixture",
-        "**/*.*.js"
+        "**/*.*.js",
+        "**/*.config.*"
     ],
     "branches": 100,
     "lines": 100,
diff --git a/README.md b/README.md
index c16723b..8e91608 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,7 @@ export {readFile as readFile1} from 'fs/promises';
 ```js
 /* ❌ */
 export * from 'fs/promises';
+
 // doesn't have syntax equivalent
 ```
 
@@ -170,10 +171,7 @@ You can test it with 📼[`Supertape`](https://github.com/coderaiser/supertape):
 
 ```js
 import {createMockImport} from 'mock-import';
-import {
-    test,
-    stub,
-} from 'supertape';
+import {test, stub} from 'supertape';
 
 const {
     mockImport,
@@ -202,10 +200,7 @@ Now let's trace it:
 
 ```js
 import {createMockImport} from 'mock-import';
-import {
-    test,
-    stub,
-} from 'supertape';
+import {test, stub} from 'supertape';
 
 const {
     mockImport,
diff --git a/eslint.config.js b/eslint.config.js
new file mode 100644
index 0000000..9704e16
--- /dev/null
+++ b/eslint.config.js
@@ -0,0 +1,13 @@
+import {
+    matchToFlat,
+    createESLintConfig,
+} from '@putout/eslint-flat';
+import {safeAlign} from 'eslint-plugin-putout/config';
+
+export const match = {
+    '**/{fresh,register.js}': {
+        'n/no-unsupported-features/node-builtins': 'off',
+    },
+};
+
+export default createESLintConfig([safeAlign, matchToFlat(match)]);
diff --git a/lib/convert-imports/index.spec.js b/lib/convert-imports/index.spec.js
index 4770c2f..a702814 100644
--- a/lib/convert-imports/index.spec.js
+++ b/lib/convert-imports/index.spec.js
@@ -1,9 +1,6 @@
 import {createMockImport} from '../mock-import.js';
 import {readFile} from 'node:fs/promises';
-import {
-    test,
-    stub,
-} from 'supertape';
+import {test, stub} from 'supertape';
 import {convertImports} from './index.js';
 
 const {url} = import.meta;
diff --git a/lib/mock-import.spec.js b/lib/mock-import.spec.js
index f6fb091..8d7f4bc 100644
--- a/lib/mock-import.spec.js
+++ b/lib/mock-import.spec.js
@@ -1,8 +1,5 @@
 import {readFile} from 'node:fs/promises';
-import {
-    test,
-    stub,
-} from 'supertape';
+import {test, stub} from 'supertape';
 import tryToCatch from 'try-to-catch';
 import process from 'node:process';
 import {
@@ -302,7 +299,7 @@ test('mock-import: mockImport: transformSource: traceImport: reImport: nested',
 
 test('mock-import: reImport: native', async (t) => {
     const path = await reImport('path');
-    const nativePath = await import('path');
+    const nativePath = await import('node:path');
     
     t.equal(path, nativePath);
     t.end();
diff --git a/package.json b/package.json
index c14b9fe..8e10b41 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,7 @@
   "license": "MIT",
   "devDependencies": {
     "@cloudcmd/stub": "^4.0.1",
+    "@putout/eslint-flat": "^2.0.0",
     "@putout/test": "^10.0.0",
     "c8": "^9.1.0",
     "check-dts": "^0.8.0",