diff --git a/pkgbuild/cairo-compmgr/PKGBUILD b/pkgbuild/cairo-compmgr/PKGBUILD
index ed3bdf1..0efb8a9 100644
--- a/pkgbuild/cairo-compmgr/PKGBUILD
+++ b/pkgbuild/cairo-compmgr/PKGBUILD
@@ -16,7 +16,7 @@ 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>=0.18" libsm gconf)
+depends=("gtk2>=2.16.0" "vala>=0.18" libsm libgl gconf)
 install=cairo-compmgr.install
 options=(!libtool)
 source=(https://github.com/downloads/gandalfn/Cairo-Composite-Manager/$pkgname-$pkgver.tar.bz2)