diff --git a/README.md b/README.md
index b2e64e9c..5513a730 100644
--- a/README.md
+++ b/README.md
@@ -1038,6 +1038,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [indigo](https://github.com/osamingo/indigo) - Distributed unique ID generator of using Sonyflake and encoded by Base58.
 * [lk](https://github.com/hyperboloide/lk) - A simple licensing library for golang.
 * [llvm](https://github.com/llir/llvm) - Library for interacting with LLVM IR in pure Go.
+* [metrics](https://github.com/pascaldekloe/metrics) - Library for metrics instrumentation and Prometheus exposition.
 * [morse](https://github.com/alwindoss/morse) - Library to convert to and from morse code.
 * [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.