diff --git a/README.md b/README.md
index ffcefbf..c8c4c0b 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,9 @@ node-stratum
 ============
 
 High performance Stratum poolserver in Node.js
+
+License
+-------
+
+node-stratum is released under the GNU General Public License v2
+http://www.gnu.org/licenses/gpl-2.0.html