diff --git a/README.md b/README.md
index 6696fc6..b91a533 100644
--- a/README.md
+++ b/README.md
@@ -266,6 +266,7 @@ header_name = "X-Forwarded-For"
 ## Clients
 
 - acme.sh: [https://github.com/Neilpang/acme.sh](https://github.com/Neilpang/acme.sh)
+- Posh-ACME: [https://github.com/rmbolger/Posh-ACME](https://github.com/rmbolger/Posh-ACME)
 - Sewer: [https://github.com/komuw/sewer](https://github.com/komuw/sewer)
 
 ### Authentication hooks