diff --git a/README.md b/README.md
index 91a18985..097dd7a8 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,7 @@ https://github.com/acmesh-official/acmetest
 - Letsencrypt.org CA
 - [BuyPass.com CA](https://github.com/acmesh-official/acme.sh/wiki/BuyPass.com-CA)
 - [SSL.com CA](https://github.com/acmesh-official/acme.sh/wiki/SSL.com-CA)
+- [Google.com Public CA](https://github.com/acmesh-official/acme.sh/wiki/Google-public-CA)
 - [Pebble strict Mode](https://github.com/letsencrypt/pebble)
 - Any other [RFC8555](https://tools.ietf.org/html/rfc8555)-compliant CA