diff --git a/package.json b/package.json
index 73256477f..c5c63e5c0 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "build": "node ./build.cjs",
     "build-docs": "cd docs; bundle exec jekyll build",
     "serve-docs": "cd docs; bundle exec jekyll serve --incremental --verbose",
-    "lint": "eslint '**/*.{js,mjs}'",
+    "lint": "eslint '**/*.{js,cjs,mjs}'",
     "pretest-webworker": "npm run build",
     "prebuild": "rimraf pkg && npm run check-dependencies",
     "postbuild": "npm run test-esm-bundle",