diff --git a/README.md b/README.md
index 41b6b272..740e5ef0 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@
   <a href="https://github.com/acmesh-official/acme.sh/actions/workflows/DragonFlyBSD.yml"><img src="https://github.com/acmesh-official/acme.sh/actions/workflows/DragonFlyBSD.yml/badge.svg" alt="DragonFlyBSD"></a>
   <a href="https://github.com/acmesh-official/acme.sh/actions/workflows/Omnios.yml"><img src="https://github.com/acmesh-official/acme.sh/actions/workflows/Omnios.yml/badge.svg" alt="Omnios"></a>
   <a href="https://github.com/acmesh-official/acme.sh/actions/workflows/OpenIndiana.yml"><img src="https://github.com/acmesh-official/acme.sh/actions/workflows/OpenIndiana.yml/badge.svg" alt="OpenIndiana"></a>
+  <a href="https://github.com/acmesh-official/acme.sh/actions/workflows/Haiku.yml"><img src="https://github.com/acmesh-official/acme.sh/actions/workflows/Haiku.yml/badge.svg" alt="Haiku"></a>
 </p>
 
 <p align="center">
@@ -108,6 +109,7 @@
 |21|-----| Cloud Linux  https://github.com/acmesh-official/acme.sh/issues/111
 |22|-----| OpenWRT: Tested and working. See [wiki page](https://github.com/acmesh-official/acme.sh/wiki/How-to-run-on-OpenWRT)
 |23|[![](https://acmesh-official.github.io/acmetest/status/proxmox.svg)](https://github.com/acmesh-official/letest#here-are-the-latest-status)| Proxmox: See Proxmox VE Wiki. Version [4.x, 5.0, 5.1](https://pve.proxmox.com/wiki/HTTPS_Certificate_Configuration_(Version_4.x,_5.0_and_5.1)#Let.27s_Encrypt_using_acme.sh), version [5.2 and up](https://pve.proxmox.com/wiki/Certificate_Management)
+|24|[![Haiku](https://github.com/acmesh-official/acme.sh/actions/workflows/Haiku.yml/badge.svg)](https://github.com/acmesh-official/acme.sh/actions/workflows/Haiku.yml)|Haiku OS
 
 
 > 🧪 Check our [testing project](https://github.com/acmesh-official/acmetest)