diff --git a/pkgbuild/cairo-compmgr/PKGBUILD b/pkgbuild/cairo-compmgr/PKGBUILD
index efe99af..ed3bdf1 100644
--- a/pkgbuild/cairo-compmgr/PKGBUILD
+++ b/pkgbuild/cairo-compmgr/PKGBUILD
@@ -9,14 +9,14 @@
 
 pkgname=cairo-compmgr
 pkgver=0.3.1
-pkgrel=1
+pkgrel=2
 epoch=2
 pkgdesc="A Cairo based composite manager"
 arch=(i686 x86_64)
 url="https://github.com/gandalfn/Cairo-Composite-Manager"
 license=(LGPL)
 makedepends=(gettext gtk-doc "intltool>=0.41" git)
-depends=("gtk2>=2.16.0" "vala>=0.16" libsm gconf)
+depends=("gtk2>=2.16.0" "vala>=0.18" libsm gconf)
 install=cairo-compmgr.install
 options=(!libtool)
 source=(https://github.com/downloads/gandalfn/Cairo-Composite-Manager/$pkgname-$pkgver.tar.bz2)
@@ -26,8 +26,12 @@ md5sums=('4ef285e0735b1a61b5db2205a2d8f8b3')
 build() {
   cd "$srcdir/$pkgname-$pkgver"
 
+  #patch for compatibility with vala 0.18 (extra)
+  sed -i 's!libvala-0.16!libvala-0.18!' configure.ac
+  sed -i 's!libvala-0.16!libvala-0.18!' vapi/cairo-compmgr.deps
+
   ./autogen.sh --prefix=/usr LIBS="-ldl -lgmodule-2.0"
-  make -j1
+  make
 
 }