---
navigation_title: "Breaking changes"
mapped_pages:
  - https://www.elastic.co/guide/en/elasticsearch/client/php-api/current/breaking_changes.html
---

# Elasticsearch PHP Client breaking changes [elasticsearch-php-client-breaking-changes]
Breaking changes can impact your Elastic applications, potentially disrupting normal operations. Before you upgrade, carefully review the Elasticsearch PHP Client breaking changes and take the necessary steps to mitigate any issues. To learn how to upgrade, check [Upgrade](docs-content://deploy-manage/upgrade.md).

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% For more information, check [PR #](PR link).
% **Impact**<br> Impact of the breaking change.
% **Action**<br> Steps for mitigating deprecation impact.
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## 9.0.0 [elasticsearch-php-client-900-breaking-changes]

- **Use of PHP 8.1+:** Starting from 9.0.0 the `elasticsearch-php` client requires PHP 8.1+.

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% Description of the breaking change.
% For more information, check [PR #](PR link).
% **Impact**<br> Impact of the breaking change.
% **Action**<br> Steps for mitigating deprecation impact.
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