diff --git a/PKGBUILD b/PKGBUILD
index 9d9bc31..f4816d5 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,6 +1,6 @@
 pkgname=graphicsmagick-webp
 pkgver=1.3.25
-pkgrel=3
+pkgrel=4
 pkgdesc='Image processing system'
 url='http://www.graphicsmagick.org/'
 arch=('i686' 'x86_64')
@@ -15,6 +15,8 @@ makedepends=('perl' 'jasper' 'libpng' 'libwmf' 'libxml2' 'libtiff' 'libwebp')
 depends=('freetype2' 'libxext' 'libsm' 'lcms2' 'libltdl' 'bzip2' 'xz')
 source=("GraphicsMagick-${pkgver}.tar.xz")
 
+conflicts=( 'graphicsmagick' )
+
 options=('!emptydirs' 'libtool')
 
 build() {