diff --git a/package.json b/package.json
index ff6ecdc..381bb7d 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "start": "webpack --mode development -w --debug --devtool inline-source-map",
     "build": "NODE_ENV=production webpack --mode production --progress --display-error-details --devtool inline-source-map",
     "package": "npm run build && script/package",
-    "lint": "eslint --ext .js,.jsx,.ts,.tsx src",
+    "lint": "eslint --ext .ts,.tsx src",
     "type-checks": "tsc --noEmit",
     "test": "karma start",
     "test:e2e": "mocha --timeout 10000 --retries 10 --require ts-node/register --extension ts e2e"