diff --git a/gnome-desktop3.spec b/gnome-desktop3.spec
index 3f90724..7802eab 100644
--- a/gnome-desktop3.spec
+++ b/gnome-desktop3.spec
@@ -1,8 +1,8 @@
-%define gtk3_version                      3.3.6
-%define glib2_version                     2.38.0
-%define gtk_doc_version                   1.9
-%define gsettings_desktop_schemas_version 3.5.91
-%define po_package                        gnome-desktop-3.0
+%global gtk3_version                      3.3.6
+%global glib2_version                     2.38.0
+%global gtk_doc_version                   1.14
+%global gsettings_desktop_schemas_version 3.5.91
+%global po_package                        gnome-desktop-3.0
 
 Summary: Shared code among gnome-panel, gnome-session, nautilus, etc
 Name: gnome-desktop3
@@ -25,17 +25,18 @@ Requires: system-backgrounds-gnome
 Requires: gnome-themes-standard
 
 BuildRequires: gnome-common
-BuildRequires: gtk3-devel >= %{gtk3_version}
-BuildRequires: gobject-introspection-devel
-BuildRequires: gsettings-desktop-schemas-devel >= %{gsettings_desktop_schemas_version}
-BuildRequires: glib2-devel >= %{glib2_version}
-BuildRequires: libxkbfile-devel
-BuildRequires: xkeyboard-config-devel
+BuildRequires: pkgconfig(gio-2.0) >= %{glib2_version}
+BuildRequires: pkgconfig(gobject-introspection-1.0)
+BuildRequires: pkgconfig(gsettings-desktop-schemas) >= %{gsettings_desktop_schemas_version}
+BuildRequires: pkgconfig(gtk+-3.0) >= %{gtk3_version}
+BuildRequires: pkgconfig(iso-codes)
+BuildRequires: pkgconfig(xext)
+BuildRequires: pkgconfig(xkeyboard-config)
+BuildRequires: pkgconfig(xrandr)
 BuildRequires: gettext
 BuildRequires: gtk-doc >= %{gtk_doc_version}
 BuildRequires: automake autoconf libtool intltool
 BuildRequires: itstool
-BuildRequires: iso-codes-devel
 
 # GnomeIdleMonitor API change breaks older gnome-shell versions
 Conflicts: gnome-shell < 3.7.90
@@ -117,6 +118,7 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/*.la
 * Mon Feb 16 2015 David King <amigadave@amigadave.com> - 3.15.90-1
 - Update to 3.15.90
 - Use license macro for COPYING and COPYING.LIB
+- Use pkgconfig for BuildRequires
 
 * Thu Jan 22 2015 Richard Hughes <rhughes@redhat.com> - 3.15.4-1
 - Update to 3.15.4