diff --git a/ts.js b/ts.js
index ee75f4a..a0ee180 100644
--- a/ts.js
+++ b/ts.js
@@ -61,6 +61,7 @@ module.exports = {
       'error',
       'type'
     ],
+    '@typescript-eslint/switch-exhaustiveness-check': 'error',
     'import/order': [
       'error',
       {