diff --git a/README.md b/README.md
index dacf2a1f..6ad298b6 100644
--- a/README.md
+++ b/README.md
@@ -206,6 +206,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [influxdb](https://github.com/influxdb/influxdb) - Scalable datastore for metrics, events, and real-time analytics
 * [ledisdb](https://github.com/siddontang/ledisdb) - Ledisdb is a high performance NoSQL like Redis based on LevelDB.
 * [levigo](https://github.com/jmhodges/levigo) - Levigo is a Go wrapper for LevelDB.
+* [prometheus](https://github.com/prometheus/prometheus) -  Monitoring system and time series database.
 * [tidb](https://github.com/pingcap/tidb) - TiDB is a distributed SQL database. Inspired by the design of Google F1.
 * [tiedot](https://github.com/HouzuoGuo/tiedot) - Your NoSQL database powered by Golang.