diff --git a/packages/lint/index.js b/packages/lint/index.js
index 5e113f7..a543ffc 100644
--- a/packages/lint/index.js
+++ b/packages/lint/index.js
@@ -16,6 +16,7 @@ module.exports = {
       'error',
       { peer: true, dev: true, optional: true },
     ],
+    '@typescript-eslint/prefer-nullish-coalescing': 'error',
     '@typescript-eslint/no-use-before-define': 'error',
     '@typescript-eslint/interface-name-prefix': [
       'error',