diff --git a/packages/public-docsite-setup/.eslintrc.json b/packages/public-docsite-setup/.eslintrc.json
deleted file mode 100644
index 5c439a68697ac7..00000000000000
--- a/packages/public-docsite-setup/.eslintrc.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "extends": ["plugin:@fluentui/eslint-plugin/react--legacy"],
-  "root": true,
-  "overrides": [
-    {
-      "files": ["bin/*.js", "src/loadSite.ts"],
-      "rules": {
-        "no-console": "off",
-        "no-restricted-globals": "off"
-      }
-    },
-    {
-      "files": ["bin/*.js", "scripts/*.js"],
-      "plugins": ["es"],
-      // These files need to work with Node 8 (for 5.0 and 6.0 branches)
-      "extends": ["plugin:es/restrict-to-es2017"]
-    }
-  ]
-}
diff --git a/packages/public-docsite-setup/eslint.config.js b/packages/public-docsite-setup/eslint.config.js
new file mode 100644
index 00000000000000..ba8b29580164c0
--- /dev/null
+++ b/packages/public-docsite-setup/eslint.config.js
@@ -0,0 +1,34 @@
+const es = require('eslint-plugin-es');
+const js = require('@eslint/js');
+
+const { FlatCompat } = require('@eslint/eslintrc');
+
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+});
+
+module.exports = [
+  ...compat.extends('plugin:@fluentui/eslint-plugin/react--legacy'),
+  {
+    files: ['bin/*.js', 'src/loadSite.ts'],
+
+    rules: {
+      'no-console': 'off',
+      'no-restricted-globals': 'off',
+    },
+  },
+  ...compat.extends('plugin:es/restrict-to-es2017').map(config => ({
+    ...config,
+    files: ['bin/*.js', 'scripts/*.js'],
+  })),
+  {
+    files: ['bin/*.js', 'scripts/*.js'],
+
+    plugins: {
+      es,
+    },
+  },
+];
+
diff --git a/packages/public-docsite-setup/package.json b/packages/public-docsite-setup/package.json
index 10f2ce5a401144..fe4f220afd0698 100644
--- a/packages/public-docsite-setup/package.json
+++ b/packages/public-docsite-setup/package.json
@@ -20,7 +20,7 @@
     "clean": "just-scripts clean",
     "code-style": "just-scripts code-style",
     "just": "just-scripts",
-    "lint": "ESLINT_USE_FLAT_CONFIG=false just-scripts lint && eslint ./bin/*.js ./scripts/*.js"
+    "lint": "just-scripts lint"
   },
   "license": "MIT",
   "devDependencies": {