diff --git a/.github/workflows/eslint.yml b/.github/workflows/eslint.yml
index 7276731..4ecb9c0 100644
--- a/.github/workflows/eslint.yml
+++ b/.github/workflows/eslint.yml
@@ -28,7 +28,7 @@ jobs:
 
       - name: Run ESLint
         run: npx eslint .
-          --c eslint.config.js
+          --c eslint.config.mjs
           --format @microsoft/eslint-formatter-sarif
           --output-file eslint-results.sarif
         continue-on-error: false
diff --git a/eslint.config.js b/eslint.config.mjs
similarity index 100%
rename from eslint.config.js
rename to eslint.config.mjs
diff --git a/package.json b/package.json
index 0f4427f..756a130 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "pub:patch": "npm version patch && pnpm run pub",
     "pub:minor": "npm version minor && pnpm run pub",
     "format": "prettier --write \"./**/*.{js,mjs,json}\"",
-    "lint": "eslint . --config eslint.config.js",
+    "lint": "eslint . --config eslint.config.mjs",
     "prepare": "husky install"
   },
   "repository": "https://github.com/ayoayco/web-component-base",
diff --git a/prettier.config.js b/prettier.config.mjs
similarity index 100%
rename from prettier.config.js
rename to prettier.config.mjs