diff --git a/muscle/PKGBUILD b/muscle/PKGBUILD
index 969863d58f..75ee7ad537 100644
--- a/muscle/PKGBUILD
+++ b/muscle/PKGBUILD
@@ -3,7 +3,7 @@
 # Contributor: Damir Perisa <damir.perisa@bluewin.ch>
 pkgname=muscle
 pkgver=3.8.1551
-pkgrel=1
+pkgrel=2
 pkgdesc="multiple sequence comparison by log-expectation"
 arch=('i686' 'x86_64')
 url="http://www.drive5.com/muscle/"