###### tags: `Documentation` # 9.5.2 Release 9.5.2.21284 is a patch release of Ucommerce in which we are fixing two issues regarding the ElasticSearch search provider. ## Indexing issue First and foremost, we fixed an issue where indexing to ElasticSearch would fail under certain circumstances. This bug was introduced in version 9.5.0. The fix required a breaking change - however this will hopefully not affect too many solutions. (You can read more about the specifics in our release notes.) ## Sitecore upgrade Furthermore, we fixed a bug where it was not possible to upgrade to Ucommerce 9.5.0 while having the ElasticSearch provider enabled instead of the Lucene one. This one is only applicable for Sitecore installations. If you are looking to upgrade Ucommerce and are currently using ElasticSearch - you should do so with 9.5.2.