--- a/PKGBUILD
+++ b/PKGBUILD
@@ -8,9 +8,13 @@
 pkgdesc="CUPS driver for Canon CARPS printers"
 arch=('x86_64')
 url="https://github.com/ondrej-zary/carps-cups"
-license=('GPL')
-depends=('libcups')
-makedepends=('git')
+license=('GPL-3.0-only')
+depends=('libcups' 'glibc' 'libtiff')
+makedepends=('git' 'cups')
+optdepends=(
+  'cups: for printing support'
+  'ghostscript: for non-PDF printers'
+  'gsfonts: for printing text files')
 provides=("${_pkgname}")
 conflicts=("${_pkgname}")
 source=('git+https://github.com/ondrej-zary/carps-cups.git')
@@ -32,6 +36,7 @@
   install -d "${pkgdir}/usr/lib/cups/filter"
   install -s rastertocarps "${pkgdir}/usr/lib/cups/filter/rastertocarps"
   install -D -m 644 carps.drv "${pkgdir}/usr/share/cups/drv/carps.drv"
+  install -D -m 644 carps.usb-quirks "${pkgdir}/usr/share/cups/usb/carps.usb-quirks"
 
   # install CARPS PPDs
   cd "$srcdir/$_pkgname/ppd"