diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 748a5bb..807e39a 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -31,9 +31,12 @@ module.exports = {
     'prefer-arrow-callback': 'error',
     'func-style': ['error', 'declaration'],
     'space-before-function-paren': ['error', 'never'],
+    'max-len': ['error', { 'code': 120 }],
+    'max-depth': ['error', 4],
 
     // Import/export
     'import/no-default-export': 'error',
+    'import/no-duplicates': 'error',
 
     // Typescript overload
     indent: 'off',