---
title: How do I contribute code to ClickHouse?
sidebar_position: 120
---

# How do I contribute code to ClickHouse? {#how-do-i-contribute-code-to-clickhouse}

ClickHouse is an open-source project [developed on GitHub](https://github.com/ClickHouse/ClickHouse).

As customary, contribution instructions are published in [CONTRIBUTING.md](https://github.com/ClickHouse/ClickHouse/blob/master/CONTRIBUTING.md) file in the root of the source code repository.

If you want to suggest a substantial change to ClickHouse, consider [opening a GitHub issue](https://github.com/ClickHouse/ClickHouse/issues/new/choose) explaining what you want to do, to discuss it with maintainers and community first. [Examples of such RFC issues](https://github.com/ClickHouse/ClickHouse/issues?q=is%3Aissue+is%3Aopen+rfc).

If your contributions are security related, please check out [our security policy](https://github.com/ClickHouse/ClickHouse/security/policy/) too.