diff --git a/srcpkgs/upx/template b/srcpkgs/upx/template
index 82e0bdd3522..bd753c476b8 100644
--- a/srcpkgs/upx/template
+++ b/srcpkgs/upx/template
@@ -11,6 +11,7 @@ wrksrc="upx-${version}-src"
 maintainer="Juan RP <xtraeme@gmail.com>"
 homepage="http://upx.sourceforge.net/"
 license="GPL-2"
+update_pattern='[\d.]+(?=-src\.tar)'
 distfiles="http://upx.sourceforge.net/download/upx-${version}-src.tar.bz2"
 checksum=527ce757429841f51675352b1f9f6fc8ad97b18002080d7bf8672c466d8c6a3c