diff --git a/.eslintrc.json b/.eslintrc.json
index 5c0bd73..38174f4 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -31,7 +31,11 @@
   },
   "overrides": [
     {
-      "files": ["rollup.config.js", "web-test-runner.config.js"],
+      "files": [
+        "rollup.config.js",
+        "web-dev-server.config.mjs",
+        "web-test-runner.config.mjs"
+      ],
       "env": {
         "node": true
       }
diff --git a/package.json b/package.json
index ec2dafc..4e37676 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
   },
   "customElements": "custom-elements.json",
   "lint-staged": {
-    "*.{js,ts}": "eslint --cache --fix",
-    "*.{html,js,json,md,ts,css}": "npm run format --"
+    "*.{js,ts,cjs,mjs}": "eslint --cache --fix",
+    "*.{html,js,cjs,mjs,json,md,ts,css}": "npm run format --"
   }
 }