diff --git a/resources/functionMap.php b/resources/functionMap.php
index 4927b02284..db14ea0b67 100644
--- a/resources/functionMap.php
+++ b/resources/functionMap.php
@@ -11287,7 +11287,7 @@
 'unlink' => ['bool', 'filename'=>'string', 'context='=>'resource'],
 'unpack' => ['array|false', 'format'=>'string', 'data'=>'string', 'offset='=>'int'],
 'unregister_tick_function' => ['void', 'function_name'=>'callable'],
-'unserialize' => ['mixed', 'variable_representation'=>'string', 'allowed_classes='=>'array{allowed_classes?:string[]|bool}'],
+'unserialize' => ['mixed', 'data'=>'string', 'options='=>'array{allowed_classes?:class-string[]|bool}'],
 'untaint' => ['bool', '&rw_string'=>'string', '&...rw_strings='=>'string'],
 'uopz_add_function' => ['bool', 'class'=>'string', 'function'=>'string', 'handler'=>'Closure', '$flags'=>'int', '$all'=>'bool'],
 'uopz_add_function\'1' => ['bool', 'function'=>'string', 'handler'=>'Closure', '$flags'=>'int'],
diff --git a/resources/functionMap_php74delta.php b/resources/functionMap_php74delta.php
index ac48bed6ff..f14f669e98 100644
--- a/resources/functionMap_php74delta.php
+++ b/resources/functionMap_php74delta.php
@@ -58,6 +58,7 @@
 		'WeakReference::create' => ['WeakReference', 'referent'=>'object'],
 		'WeakReference::get' => ['?object'],
 		'proc_open' => ['resource|false', 'command'=>'string|list<string>', 'descriptorspec'=>'array', '&w_pipes'=>'resource[]', 'cwd='=>'?string', 'env='=>'?array', 'other_options='=>'array'],
+		'unserialize' => ['mixed', 'data'=>'string', 'options='=>'array{allowed_classes?:class-string[]|bool,max_depth?:int<0,max>}'],
 	],
 	'old' => [
 		'implode\'2' => ['string', 'pieces'=>'array', 'glue'=>'string'],