diff --git a/docs/index.md b/docs/index.md
index d5b406ea..b03f38dd 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -80,6 +80,7 @@ Here are some examples of use-cases.
 | [OpenStatus](https://openstatus.dev)                                               | Bun                | An open-source website & API monitoring platform. _Hono is used for the API server_.                        |
 | [Deno Benchmarks](https://deno.com/benchmarks)                                     | Deno               | A secure TypeScript runtime built on V8. _Hono is used for benchmarking_.                                   |
 | [Clerk](https://clerk.com)                                                         | Cloudflare Workers | An open-source User Management Platform. _Hono is used for the API server_.                                 |
+| [PostHog](https://posthog.com)                                                     | Node.js            | The open-source platform for building self-driving products. _Hono is used for the MCP server_.             |
 
 And the following.