diff --git a/stubs/Php81.phpstub b/stubs/Php81.phpstub
index 487b57b636f..0762baef4d9 100644
--- a/stubs/Php81.phpstub
+++ b/stubs/Php81.phpstub
@@ -1,6 +1,9 @@
 <?php
 namespace {
     interface UnitEnum {
+        /** @var non-empty-string $name */
+        public readonly string $name;
+    
         /** @return non-empty-list<static> */
         public static function cases(): array;
     }