diff --git a/Reflection/ReflectionProperty.php b/Reflection/ReflectionProperty.php
index 1bd80d16a..bf7f5aef6 100644
--- a/Reflection/ReflectionProperty.php
+++ b/Reflection/ReflectionProperty.php
@@ -445,4 +445,9 @@ public function isDynamic(): bool {}
      * @since 8.4
      */
     public function isFinal(): bool {}
+
+    /**
+     * @since 8.4
+     */
+    public function isLazy(object $object): bool {}
 }