diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index ed8843137c..db8bd5b164 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -39,6 +39,7 @@ Yii Framework 2 Change Log
 - Bug #20541: Remove deprecated caching components: `XCache` and `ZendDataCache`, and update related tests and documentation (terabytesoftw)
 - Bug #20548: Fix PHP `8.5` `null` array offset deprecation warnings (terabytesoftw)
 - Enh #19526: Add the `convertIniSizeToBytes` method to `BaseStringHelper` (max-s-lab)
+- Bug #20570: Fix `@var` annotation for `UrlManager::$cache` (max-s-lab)
 - Bug #20571: Fix `@var` annotation for `yii\web\Response::$stream` (max-s-lab)
 
 
diff --git a/framework/web/UrlManager.php b/framework/web/UrlManager.php
index 1837f6dc52..286246a2fc 100644
--- a/framework/web/UrlManager.php
+++ b/framework/web/UrlManager.php
@@ -119,7 +119,7 @@ class UrlManager extends Component
      */
     public $routeParam = 'r';
     /**
-     * @var CacheInterface|array|string|bool the cache object or the application component ID of the cache object.
+     * @var CacheInterface|array|string|bool|null the cache object or the application component ID of the cache object.
      * This can also be an array that is used to create a [[CacheInterface]] instance in case you do not want to use
      * an application component.
      * Compiled URL rules will be cached through this cache object, if it is available.