diff --git a/.eslintrc.js b/.eslintrc.js
index a61d2d8..7f23b04 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -22,5 +22,7 @@ module.exports = {
   'parserOptions': {
     'ecmaVersion': 'latest',
   },
-  'rules': {},
+  'rules': {
+    'max-len': ['error', 120],
+  },
 };