diff --git a/README.md b/README.md
index 743f9f5e..bbd69611 100644
--- a/README.md
+++ b/README.md
@@ -858,6 +858,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [margelet](https://github.com/zhulik/margelet) - Framework for building Telegram bots.
 * [pdfgen](https://github.com/hyperboloide/pdfgen) - HTTP service to generate PDF from Json requests.
 * [persian](https://github.com/mavihq/persian) - Some utilities for Persian language in go.
+* [sandid](https://github.com/sheng/sandid) - Every grain of sand on earth has its own ID.
 * [secdl](https://github.com/xor-gate/secdl) - Lighttpd ModSecDownload algorithm ported to go to secure download urls.
 * [shellwords](https://github.com/Wing924/shellwords) - A Golang library to manipulate strings according to the word parsing rules of the UNIX Bourne shell.
 * [shortid](https://github.com/teris-io/shortid) - Distributed generation of super short, unique, non-sequential, URL friendly IDs.