diff --git a/doc/README b/doc/README
index 9000341476d..f70cae11d0d 100644
--- a/doc/README
+++ b/doc/README
@@ -40,6 +40,7 @@ Additionally the following software is required to be able to use xbps:
 	* fakeroot
 	* ncurses (development package).
 	* wget
+	* libarchive (development package).
 
 Super-user privileges are required as well, because all packages are built
 in a chroot (except the ones that are included in a virtual package to be