diff --git a/.eslintrc.yml b/.eslintrc.yml
index 6b2d1eab..c78e1ab6 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -5,6 +5,7 @@ parserOptions:
     jsx: true
   ecmaVersion: 2020
   sourceType: module
+  extraFileExtensions: ['.cjs']
   project: ./tsconfig.json
 
 env:
@@ -220,3 +221,10 @@ overrides:
       - '@typescript-eslint'
     parserOptions:
       project: ./bench/tsconfig.json
+
+  - files:
+      - ./*.{cjs,js}
+    plugins:
+      - '@typescript-eslint'
+    parserOptions:
+      project: ./tsconfig.root-lint.json
diff --git a/.github/workflows/napi3.yaml b/.github/workflows/napi3.yaml
index 5548f8ce..b7e5924b 100644
--- a/.github/workflows/napi3.yaml
+++ b/.github/workflows/napi3.yaml
@@ -73,6 +73,11 @@ jobs:
           command: test
           args: -p napi-sys --lib -- --nocapture
 
+      - name: Write ava.config.js for ava@2
+        run: |
+          node write-ava-config.js
+          cat ava.config.js
+
       - name: Unit tests
         run: |
           yarn --cwd ./test_module --ignore-engines build
diff --git a/tsconfig.root-lint.json b/tsconfig.root-lint.json
new file mode 100644
index 00000000..a4f467cf
--- /dev/null
+++ b/tsconfig.root-lint.json
@@ -0,0 +1,4 @@
+{
+  "extends": "./tsconfig.json",
+  "files": ["./ava.config.cjs", "./write-ava-config.js"]
+}
diff --git a/write-ava-config.js b/write-ava-config.js
new file mode 100644
index 00000000..01842d84
--- /dev/null
+++ b/write-ava-config.js
@@ -0,0 +1,10 @@
+const { writeFileSync } = require('fs')
+const { join } = require('path')
+
+const config = require('./ava.config.cjs')
+
+const code = `
+export default ${JSON.stringify(config, null, 2)}
+`
+
+writeFileSync(join(__dirname, 'ava.config.js'), code)