diff --git a/README.md b/README.md
index a94409104..8b6030397 100644
--- a/README.md
+++ b/README.md
@@ -12,4 +12,5 @@ http://pixeldungeon.watabou.ru/
 Developer's blog: 
 http://pixeldungeon.tumblr.com/
 
-
+To build the game you will need my unnamed game library:
+https://github.com/watabou/PD-classes