diff --git a/README.md b/README.md
index abf269b7..82bad1fc 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,7 @@ npm install multicoin-address-validator
 * GarliCoin/grlc `'GarliCoin'` or `'grlc'`
 * Gnosis/gno `'Gnosis'` or `'gno'`
 * Golem/gnt `'Golem'` or `'gnt'`
+* Groestlcoin/grs `'Groestlcoin'` or `'grs'`
 * HedgeTrade/hedg `'HedgeTrade'` or `'hedg'`
 * Hush/hush `'Hush'` or `'hush'`
 * HyperSpace/xsc `'HyperSpace'` or `'xsc'`